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All Words (98 Words)

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Advanced Words (27 Words)

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Word List

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Word	Meaning	Advanced
nation	n: a large organized community of people living in a particular country or region and having a particular culture
launch	v: to send or propel something into the air or space using a device such as a rocket, missile, or spacecraft; to make something available or on sale for the first time
unprecedented	adj: never having been seen, done, or known before
facility	n: a building or place that provides a particular service or is used for a particular industry
recycle	v: to sort and collect things to process them and produce valuable materials that can be used again
wastewater	n: water that contains waste substances from homes, farms, factories, etc.
desperate	adj: feeling or showing a lack of hope and a willingness to do anything because of the problematic situation
decision	n: the act or process of making up someone’s mind about something; a choice or judgment reached after considering options
climate	n: the weather in a particular location averaged over some long period
frequency	n: an ordered array of colors into which a light beam can be split
duration	n: the length of time something lasts or continues
drought	n: a long period of time during which there is very little or no rain, leading to a shortage of water and often causing damage to crops and other vegetation
reuse	v: to use something again or more than once
flush	v: to become red on your face, especially because you are embarrassed, angry, or hot; to rinse, clean, or empty something, especially a toilet, by causing large quantities of water to flow
toilet	n: a bowl-shaped plumbing fixture with a seat for defecation and urination, or a room or building containing one or more of this fixture
cocktail	n: a drink, usually an alcoholic one, made by mixing one or more spirits (= strong alcoholic drinks) and fruit juice; an appetizer served as a first course at a meal
primary	adj: first or highest in rank, order, or importance; most fundamental or essential; pertaining to the initial or introductory stage of something, such as a school year or election cycle
sink	v: to submerge or go down below the surface of a liquid or substance; to decline or deteriorate; to cause something to go down into a liquid substance or sink into something else
laundry	n: the act of washing clothes and linens; a room or area where clothes are washed and ironed
urine	n: a liquid by-product of metabolism in humans and in many other animals that are released from the body when you urinate
feces	n: waste matter eliminated from the bowels; excrement
glob	n: a small, round mass or lump; a drop or blob of liquid or viscous substance
sew	v: to join, fasten, or repair two pieces of something by putting the thread through them with a needle
combine	v: to join or merge to form a single thing or group
underground	adj: under the surface of the ground; a secret group organized to achieve a specific purpose, such as overthrowing the government or occupying a force
solid	adj: hard or firm; characterized by good substantial quality
rife	adj: full of, abundant with, or commonly present or encountered, often used to describe something undesirable or harmful
contaminate	v: to make something impure, unclean, or poisonous by contact or mixture
pathogen	n: a bacterium, virus, or other microorganism that causes disease
microorganism	n: a very small living thing that may exist in its single-celled form or as a colony of cells and is too small to be seen without a microscope
trace	v: to find or discover someone or something that was lost
chemical	adj: relating to or connected with chemistry;
excess	n: an amount or quantity beyond what is acceptable, expected, or reasonable
inorganic	adj: being or consisting of nonliving stuff; chemical compounds that contain no or only trace amounts of carbon
nutrient	n: any substance that is essential for the maintenance and growth of living things
pollute	v: to make an area or substance, such as land, air, water, etc., dirty or harmful to living things by adding waste matter or harmful chemicals
concoction	n: the mixture, often a complicated one; a preparation made by combining various ingredients
sewer	n: an underground system of pipes used to carry away sewage and wastewater
typical	adj: having the usual characteristics or traits of a specific group of things
nitrogen	n: a chemical element with the symbol N and atomic number 7, which is a highly reactive element that forms part of many compounds, including amino acids and proteins
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
biology	n: the scientific study of life and the natural processes of living things
intervention	n: the action or process of being done to improve or help a circumstance, often they have not been asked to do so
settle	v: to reach an agreement of disagreement
particle	n: a small piece of something; a word or piece of a term with grammatical function but little or no significance
reaction	n: a response that reveals a person’s feelings or attitude; (in chemistry) a process in which one or more substances are changed into others
microbe	n: a tiny living thing that can only be seen with a microscope and that may cause disease
unwanted	adj: not wanted or desired
disinfect	v: to clean something using chemicals or other materials that kill germs or bacteria, making it safe and free from harmful microorganisms
procedure	n: a way of doing something, especially the official or well-known way
discharge	v: to release or let go of something or someone; to dismiss or terminate an employee or member of an organization; to emit or give off a substance or energy
potable	adj: suitable for drinking; safe and fit to be consumed as a beverage
irrigation	n: the agricultural practice of supplying land with water through pipes or channels so that crops grow well
bacteria	n: single-celled or noncellular spherical or spiral or rod-shaped organisms that exist in large numbers in the air, water, and soil, and also in living and dead creatures and plants, and are often a cause of disease
storage	n: the act or process of putting in and keeping something in a particular place for use in the future; an electronic memory device that can store information
filtration	n: the process of passing a substance (such as liquid or gas) through a medium to remove impurities or unwanted particles
membrane	n: a soft, thin layer that forms animal or vegetable tissue
filter	n: any of several types of equipment or systems used to separate particles from liquids or gases or to remove specific forms of light
reverse	v: to change something’s direction, order, position, decision, etc., to the opposite one; (adjective) directed or moving toward the rear
osmosis	n: the process by which molecules of a solvent (such as water) move through a semipermeable membrane from a region of higher concentration to a region of lower concentration; the gradual or subtle absorption of knowledge, ideas, or influence from one source to another
permeable	adj: capable of being penetrated, passed through, or absorbed; allowing liquids, gases, or other substances to pass through a surface or material, often with ease
virus	n: a tiny infectious organic material that causes disease in people, animals, and plants
plunge	v: to dive quickly and steeply downward; to thrust or throw into something; (noun) a steep and rapid fall
emit	v: to give off or send out something such as light, heat, sound, gas, etc.
radiation	n: the energy that comes from a nuclear reaction in the form of rays, waves, or particles and that can be hazardous to health
permanent	adj: lasting for a long time without essential change
damage	v: to harm or cause injury to something or someone, often resulting in decreased value or functionality; to impair or negatively affect something, such as a reputation or relationship; (noun) harm or injury that is caused to a person, thing, or entity
genetic	adj: of or relating to genes (= parts of the DNA in cells) or the science of genes
lingering	adj: continuing for a long time; persistent; remaining in a place or situation for longer than is usual or necessary; unwilling to leave
hydrogen	n: the chemical element that is the lightest gas is colorless, odorless, tasteless, and combines with oxygen to form water
peroxide	n: a compound containing an oxygen-oxygen single bond or the anion O2^2-, often associated with hydrogen peroxide (H2O2), a common antiseptic
handle	v: to deal with a situation, problem, or strong emotion
pollutant	n: a substance or agent that pollutes or contaminates the environment, typically through release into the air, water, or soil
rigorous	adj: allowing or demanding no deviation from a standard; extremely careful, thorough, or accurate
pipeline	n: a very long large tube that is usually underground and is used for carrying liquid or gas for long distances
municipal	adj: of or relating to a municipality, which is a small administrative division within a larger city or town
opt	v: to make a choice from a range of possibilities
indirect	adj: happening in addition to the main or intended aim, cause or result, often in a way that is not obvious; not following the shortest or straight way
environment	n: the natural world such as air, water, and land in which humans, animals, and plants live
buffer	n: a device, material, or person that reduces the impact or effect of an external force or provides protection against harm or damage
reservoir	n: a natural or artificial lake used to store water for community use; a large or extra supply of something
wetland	adj: land that is saturated with water, either permanently or seasonally, such as swamps, marshes, and bogs
groundwater	n: water that is present beneath the surface of the ground, especially in soil or in pores and crevices in rock
aquifer	n: an underground layer of rock, sand, or Earth that can take in and hold water
diffuse	adj: spread out widely; not concentrated in one place
degrade	v: to make something worse, especially in quality; to show or treat someone in a way that makes them seem no value and do not have the respect or reasonable opinion of others
extract	n: a short passage taken from a book, piece of music, etc.; a substance obtained from something through a specific process; (verb) to obtain from something or to remove something by effort or force
increasingly	adv: more and more
lifeline	n: a line, rope, or cable used to support or rescue a person in danger or distress; vital or necessary support, connection, or source of help
arid	adj: lacking in moisture or rainfall; dry and barren; lacking in interest, life, or vitality
feasible	adj: capable of being or likely to be made, done, or achieved
infrastructure	n: the basic systems, services, or features that are necessary for an organization or country, such as transport and power supplies
pump	v: to cause water, air, gas, etc. to move from one place to another by using mechanical equipment; to get or supply something such as money, information, etc. in significant quantities
communal	adj: belonging to or used by a group rather than individuals; for common use
sanitation	n: the process of maintaining a clean and hygienic environment, particularly in public health and safety contexts; the practice of disposing of waste products in a safe and appropriate manner
struggle	v: to make a great effort to do something when it is difficult, or there are a lot of problems; to use force or violence to break away from restraint or constriction
investigate	v: to conduct a systematic or formal inquiry to identify and evaluate the facts of a crime, problem, statement, etc. to establish the truth