Important (Read me first!)
This post is a commentary and does not contain any copyrighted material of the reference source.
We strongly recommend accessing/buying the reference source at the same time.
Reference Source
You can understand each word more deeply by utilizing the following YouTube Posts and PDF files.
Also, see how to use Englist.me?
All Words (195 Words)
You can learn all the words from basic to advanced levels in the order they appear in the contents.
If you want learn all words quickly, you can use Quick Look Video.
Quick Look
Podcast
YouTube Post
Vocabulary Builder
Advanced Words (34 Words)
If you are confident in your vocabulary, you may prefer to study with content that covers only advanced-level words.
YouTube Post
Vocabulary Builder
Word List
You can quickly review the words in this content from the list below.
Word | Meaning | Advanced |
---|---|---|
conduct | v: to organize and carry out a particular activity | |
experiment | n: the scientific test conducted to observe what happens and gain new knowledge | |
random | adj: made, done, or happening without method, conscious decision, or any regular pattern | |
assign | v: to give a specific job or piece of work to a someone | |
blast | n: explosion, or a strong current of air, usually caused by an explosion; a sudden, thunderous noise | |
zone | n: a specific area, region, or section that is marked off or defined in some way | |
locate | v: to specify or determine the exact position of someone or something | |
communal | adj: belonging to or used by a group rather than individuals; for common use | |
downwind | adv: in the direction that the wind is blowing, particularly about the adverse effects that the wind may carry | |
downstream | adv: in the direction that a stream or river flows; (adjective) in the direction of a stream’s current | |
gallon | n: a unit for measuring volume, in the US, it is equal to about 3.79 liters, and in the UK, Canada, and other countries, it is equal to about 4.55 liters | |
contaminate | v: to make something impure, unclean, or poisonous by contact or mixture | |
assignment | n: a duty or task given to someone, usually as part of their job or studies | |
bunch | n: a grouping of several similar things which are growing or fastened together | |
annoying | adj: making someone feel slightly angry | |
confound | v: to confuse or perplex; to mix up or throw into disorder; to prove to be false or illogical | |
covariate | n: a variable or factor that is correlated or associated with other variables, often used in statistical analysis to control for confounding factors or to measure the effect of one variable while accounting for the influence of other factors | |
rigorous | adj: allowing or demanding no deviation from a standard; extremely careful, thorough, or accurate | |
inquiry | n: the act or process of asking a question or asking for information; an official process of investigating a matter of public interest | |
environment | n: the natural world such as air, water, and land in which humans, animals, and plants live | |
exposure | n: the state of being in a particular situation or place where there is no protection from or guarantee to something harmful; the disclosure of something secret | |
stomach | n: the internal organ in the body where food is digested, situated in the abdomen; the part of the body below the chest that contains the stomach | |
institutional | adj: of, in, or relating to a large important organization, such as a university or bank; organized as or forming part of the standard systems, practices, etc. | |
approve | v: to think that someone or something is favorable, acceptable, or appropriate; to officially accept a plan, request, etc. | |
ethical | adj: of or relating to principles about what is right and wrong, or the branch of knowledge dealing with these | |
prompt | v: to make someone decide to or try to do something, or to make something happen | |
ethics | n: a branch of philosophy that considers what is morally right and wrong conduct; a set of beliefs about what is morally right and wrong | |
obligation | n: the state of being morally or legally bound to do or pay something | |
confident | adj: feeling sure about your abilities or qualities or having trust in people, plans, or the future | |
conclude | v: to come to an end or close; to reach a judgment or opinion by reasoning | |
certainty | n: the state of being certain | |
unplanned | adj: not planned or intended; not having been prearranged or organized | |
removal | n: the act of taking something away or off from a particular place | |
abbreviation | n: a shortened form of a word or phrase used to represent the whole, typically for ease of use | |
coal | n: a combustible black or brownish-black sedimentary rock that is found below the ground and burnt to produce heat | |
statistics | n: the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data | |
acre | n: a unit of land area in the US Customary System and the British Imperial System, equal to 4,840 square yards (= 4,047 square meters) | |
footprint | n: a mark of a foot, shoe, or animal’s foot left on a surface | |
combine | v: to join or merge to form a single thing or group | |
process | n: a series of actions or operations performed to achieve a particular outcome or goal; a systematic procedure or approach used to accomplish a specific task or objective; a method of treating milk to make it suitable for consumption or use in other dairy products | |
involve | v: to include or affect someone or something as a necessary part of something else | |
clear-cut | adj: defined or delimited sharply and distinctly; easily seen or understood; without ambiguity or confusion | |
ancient | adj: relating to the long ago, particularly the historical period preceding the fall of the Western Roman Empire; very old | |
biodiversity | n: the number and variety of plants and animals that exist in a particular area or the world and make a balanced environment | |
planet | n: any of the nine large celestial bodies that circle in the solar system; any celestial body that revolves around a star | |
typical | adj: having the usual characteristics or traits of a specific group of things | |
dump | v: to deposit or dispose of something, such as trash, waste, etc., carelessly or hurriedly | |
adjacent | adj: next to, close to, or adjoining something | |
valley | n: a long depression on the surface of the land, which typically contains a river | |
bury | v: to place a dead body in the ground, grave, or tomb | |
seam | n: a line of stitching or joining where two pieces of fabric or material are united; also, a narrow furrow or fissure in rock or soil | |
elevation | n: the height of something above sea level or above the ground; the event of something being raised upward | |
soil | n: the top layer of Earth in which plants grow | |
debris | n: broken or torn fragments of something | |
permanent | adj: lasting for a long time without essential change | |
headwater | adj: referring to the source or beginning point of a river or stream; relating to the area or region where a river or stream originates; (noun) the source or upper part of a stream or river | |
stream | n: a small, narrow river; a continuous flow of something, such as liquid, gas, people, vehicles, etc. | |
destroy | v: to ruin or damage severely or completely; to eradicate or eliminate completely | |
emerging | adj: starting to exist, mature, or become well-known | |
chemical | adj: relating to or connected with chemistry; | |
crush | v: to press it firmly, usually with your hands or a tool, so that it becomes flat or smaller | |
transport | n: a system for moving people or products from one location to another using automobiles, roads, and so on | |
pollution | n: the introduction of harmful substances or waste into the natural environment that causes adverse change | |
sulfur | n: (also sulphur) a chemical element with the symbol S and atomic number 16, found in many minerals and sulfur compounds, often used in the production of fertilizers, rubber, paper, and other industrial applications | |
impure | adj: mixed with other substances or foreign matter; (of persons or behaviors) immoral or obscene, especially in sexual matters | |
electrify | v: to make a machine or system work by using electricity; to make someone extremely enthusiastic about or interested in something | |
appreciate | v: to value and acknowledge the worth of someone or something; to be grateful for something or someone | |
county | n: an administrative division of a country or state, typically one of several comprising a larger division | |
industrious | adj: hardworking, diligent, and persistent in effort | |
government | n: the group of people with authority to control a country or state | |
disturb | v: to interrupt someone who is trying to work, sleep, etc. | |
relate | v: to establish a connection or association between two or more things; to narrate or tell about an event, experience, or relationship; to empathize or feel sympathy with someone or something | |
polluted | adj: contaminated with harmful or poisonous substances | |
cancer | n: abnormal growth of cells that can invade and destroy surrounding tissues and organs; a disease characterized by the uncontrolled growth and spread of abnormal cells | |
contribution | n: the act of giving something, especially money, to a particular cause or organization; a voluntary gift as of money or service or ideas made to some worthwhile cause | |
confirm | v: to support or establish the truth or certainty of something previously believed or suspected to be the case | |
alleviate | v: to make something, usually pain, distress, or problem, less severe or intense; to ease or lighten a burden | |
agenda | n: a list or outline of things to be done, discussed, or considered | |
colleague | n: one of a group of a coworker, especially in a profession or a business | |
initially | adv: at the beginning; at first | |
skeptical | adj: doubting that something is accurate or useful | |
predict | v: to state beforehand that something will happen in the future, mainly based on knowledge or experience | |
poverty | n: the condition of being extremely poor | |
obesity | n: the condition of being significantly overweight, typically defined as having a body mass index (BMI) of 30 or greater. | |
analyze | v: to think about in-depth and evaluate to discover essential features or meaning | |
database | n: a large amount of data stored in a computer system in such a way that it can be searched and updated easily | |
insure | v: to provide coverage in the event of loss or damage | |
resident | n: a person who lives in a particular place or has their home in a place | |
cardiovascular | adj: of or relating to the heart and blood vessels (= tubes that carry blood around the body) | |
disease | n: a disorder or illness that affects the body or mind, often characterized by specific symptoms or abnormal functioning of organs or systems | |
kidney | n: either of a pair of small organs in the body that filter waste products, especially urea, from the blood and excrete them and water in urine | |
chronic | adj: being long-lasting and recurrent or characterized by long suffering; habitual | |
lung | n: either of the two organs in the chest that people and some animals use for breathing | |
elevate | v: to raise something from a lower to a higher position; to give a promotion to or assign to a higher position | |
defect | n: an imperfection, shortcoming, or lack of something or someone | |
mortality | n: the quality or state of being subject to death | |
equate | v: to consider or describe one thing as similar, equal, or analogous | |
excess | n: an amount or quantity beyond what is acceptable, expected, or reasonable | |
dose | n: a quantity or amount of medicine or a drug that is taken or administered at one time, typically measured out in specific units; a similar measure of exposure to a harmful substance or radiation | |
door-to-door | adj: involving going from one house or building to another on foot, often to sell or distribute items or conduct surveys or interviews | |
survey | n: an investigation of the opinions, behavior, etc. of a particular group of people, made by asking people questions | |
rural | adj: of or relating to the countryside | |
symptom | n: any sensation or change in body or mind that is experienced by a patient and is associated with a particular disease | |
broad | adj: very wide; general | |
spectrum | n: an ordered array of colors into which a light beam can be split | |
association | n: a people or groups of people who have joined in a single organization together for a particular purpose; a social or business connection or relationship | |
correlation | n: a statistical relationship between two variables in which one variable is affected by the other; a reciprocal relation between two or more facts, numbers, etc. | |
causation | n: the action or relationship between an event or action and its effect or consequence; the explanation for why something happens | |
violation | n: an action that breaches a law, rule, or agreement; an infringement of rights or duties | |
particulate | adj: consisting of small particles, especially those that are suspended in a fluid or air | |
complexity | n: the state or quality of being complicated or intricate and difficult to understand | |
mixture | n: a combination of different elements, substances, or entities, usually in non-uniform proportions, resulting in a homogeneous or heterogeneous blend of physical or chemical properties | |
silica | n: a hard, brittle mineral that occurs as silicon dioxide in various forms such as quartz, opal, or flint, commonly used in various industrial applications, such as as an abrasive or filler | |
carcinogenic | adj: capable of causing cancer or promoting tumor growth; cancer-causing | |
organic | adj: of or derived from biological substance; producing plants and animals for food and other items without the use of synthetic chemicals | |
compound | n: an item composed of two or more distinct elements combined; a chemical formed by the combination of two or more elements | |
laboratory | n: a workplace for doing scientific research or teaching science; a lab | |
induce | v: to persuade someone to do something; to cause to act in a specific manner | |
dysfunction | n: a problem or fault in a system, organism, or part of the body or machine | |
promote | v: to encourage or persuade people to like, buy, use, do, or support something; to raise someone to a higher position or rank | |
develop | v: to grow or expand; to improve or refine through a process of progress and refinement, often to achieve greater sophistication or complexity; to elaborate or add detail to something that is in the process of being created | |
vitro | n: (used as “in vitro”) a scientific experiment or procedure that takes place outside of a living organism, usually in a test tube or petri dish | |
tobacco | n: a plant grown for its leaves, which are dried and processed for smoking or chewing or extraction of nicotine | |
defend | v: to protect someone or something from attack, criticism, danger, etc. | |
claim | v: to assert that something is true; to demand or request something as one’s own; to lay legal or moral right to something; (noun) a demand or assertion of a right or something that one believes to be true | |
harass | v: to annoy, torment, or pester persistently; to subject someone to repeated or chronic attacks or unwelcome attention | |
eventually | adv: finally, particularly after a long time or a lot of struggle, complications, and so on | |
deny | v: to state that one refuses to admit the existence or truth of something | |
testimony | n: a formal written or spoken statement that something is true, especially one given in court; something that serves as evidence | |
congressional | adj: of or relating to Congress, especially to the Congress of the United States | |
congressperson | n: a person who belongs to a congress, especially a member of the US House of Representatives; congressman (congressperson is used to avoid gender discrimination) | |
governor | n: the person who holds the highest executive office in a state or province | |
publicly | adv: in a manner accessible to or observable by the public; by the government | |
declare | v: to say, state, or announce something clearly, officially, or publicly | |
refuse | v: to show that one is not willing to do or accept something | |
congress | n: a formal meeting of the representatives of different countries, constituent states, organizations, trade unions, political parties, or other groups | |
specifically | adv: only associated with or meant for one thing | |
representative | n: someone who speaks or acts officially on behalf of another person or group of people | |
geology | n: a science that deals with the history of the earth as recorded in rocks | |
suddenly | adv: quickly and unexpectedly | |
instruct | v: to teach someone practical skills or knowledge; to formally order or tell someone to do something | |
superior | adj: better, higher in quality, or more advanced than others | |
nation | n: a large organized community of people living in a particular country or region and having a particular culture | |
academy | n: a school for special training; a type of official organization that aims to encourage and develop standards in its particular field | |
independence | n: freedom from another’s or others’ control or influence | |
consequence | n: the outcome of a particular action or event, especially relative to an individual | |
politically | adv: in a way that relates to the government or public affairs of a nation | |
motto | n: a phrase or slogan that expresses a guiding principle or goal | |
opposition | n: the act of disagreeing or resisting; the state of strong disagreement | |
confer | v: to have a meeting or discussion to come to a decision or agreement or exchange ideas; to bestow something | |
skepticism | n: an attitude of doubting or questioning that claims or statements are true or valuable or that something will happen; the disbelief in any claims of ultimate knowledge | |
alternative | n: one of two or more available possibilities or choice | |
interpretation | n: an explanation or opinion of something, especially that is not immediately obvious | |
variable | adj: likely to change or vary often; (noun) a symbol, like x or y, that is used in mathematical or logical expressions to represent a value that may be changed | |
technique | n: a particular way or art of doing something that needs skill | |
acknowledge | v: to accept or admit the existence, reality, or truth of something; to accept that someone or something has a particular authority or quality; to express obligation, thanks, or gratitude for someone’s help, commitment, etc.; | |
unmeasured | adj: not having been measured or quantified; lacking measurement or precision | |
doubt | n: a feeling of being uncertain about something, especially about how good or accurate it is | |
define | v: to state or explain precisely the nature, scope, or meaning of something | |
topic | n: a subject that is being discussed or written about | |
unwilling | adj: not ready or wanting to do something | |
decide | v: to make up someone’s mind about something; to come to a conclusion or judgment after considering options | |
imperfectly | adv: in a faulty or incomplete way | |
controversy | n: a lot of discussion and argument about something, often involving strong feelings of anger or disapproval | |
twilight | n: the soft, diffused light from the sky when the sun is below the horizon, either from sunrise to sunrise or sunset to sunset | |
debate | n: a formal discussion or argument of opposing viewpoints, often to persuade others to adopt a specific position; a public discussion, often on an issue of current interest, in which participants offer opinions and differing perspectives | |
climate | n: the weather in a particular location averaged over some long period | |
argument | n: a set of statements or reasons used to support or refute a proposition or theory; a verbal or physical fight or dispute | |
economics | n: the branch of social science that deals with the production, consumption, and transfer of goods and services | |
prevailing | adj: most frequent, widespread, or currently dominant, usually referring to a particular opinion, attitude, or trend | |
insist | v: to say something clearly or demand something forcefully, especially when other people disagree with or oppose what you say | |
valid | adj: having a reasonable basis in logic or fact; still legally or officially acceptable | |
insight | n: the ability to gain an accurate and deep understanding of people or situations; an accurate and deep understanding of what something is like | |
stake | n: a share or financial investment in something such as a business; a wooden or metal post set up to mark something | |
trap | n: a piece of equipment or hole for catching animals or people; (verb) to catch animals or people and prevent them from escaping | |
denial | n: a statement that something is not true or does not exist | |
disbelief | n: the feeling of not being able to believe or accept that something is true or real | |
moral | adj: concerned with the principles of what is right and wrong, fairness, honesty, etc. | |
obvious | adj: easy to see, discover or understand | |
responsible | adj: answerable or accountable for something within one’s power, control, or management | |
frustrate | v: to hinder or prevent efforts, plans, or desires from doing, succeeding, or being fulfilled; to make someone feel upset or annoyed because they are unable to change or achieve something | |
consensus | n: general agreement or accord in the judgment or opinion reached by a group as a whole | |
controversial | adj: causing a lot of hot public discussion and dispute | |
critic | n: someone who expresses opinions about the quality of books, music, etc. | |
preserve | v: to keep or maintain a particular quality, feature, etc., especially to prevent it from decaying, being damaged, or being destroyed | |
reputation | n: the general opinion that people have about someone or something, especially when this is based on their previous experiences or behaviors | |
integrity | n: the quality of being honest and having strong moral principles; the state of being whole and undivided | |
realm | n: a domain of activity, interest, or knowledge | |
policy | n: a set of rules, guidelines, principles, or procedures that govern decision-making or action, often used in the context of business or government; a course of action or plan of action adopted or followed by an organization or individual to achieve a goal or objective | |
acknowledged | adj: recognized or admitted as being true or valid | |
convince | v: to persuade someone or make someone believe that something is true | |
cultivate | v: to prepare and foster land for growing crops or plants | |
patient | n: a person who is receiving medical treatment, care, or attention from a healthcare professional, such as a doctor, nurse, or therapist; a personal quality or characteristic | |
calm | adj: not excited, angry, or nervous; free from wind, large waves | |
prevail | v: to be common, widespread, or frequent; to be the strongest or most powerful |