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All Words (126 Words)

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Advanced Words (31 Words)

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Word List

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Word	Meaning	Advanced
naturally	adv: as might be expected; by natural manners
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
contest	n: a competition in which people compete for supremacy in a sport or other activity; a struggle between rivals
explorer	n: a person who travels to places where no one or few people have been before to find out what is there
expedition	n: a journey or voyage for a specific purpose
tributary	n: a stream or river that flows into a larger one
discovery	n: the act or process of finding information, a place, or an object, or learning about something that was previously not known
gulf	n: a large ocean inlet or deep bay that is partially enclosed by land
graduate	n: a person who has a first degree from university or college; (verb) to complete the first course of university or college and get a degree
fortunate	adj: having good luck or lucky
laboratory	n: a workplace for doing scientific research or teaching science; a lab
temperamental	adj: relating to a person’s temperament or disposition; subject to changes in mood or behavior; unpredictable
flood	n: a large amount of water flowing beyond its normal limits; an overwhelming number or amount
thereafter	adv: after that; subsequently
shoreline	n: a line that separates land and sea
organic	adj: of or derived from biological substance; producing plants and animals for food and other items without the use of synthetic chemicals
chemistry	n: the branch of the natural sciences dealing with the composition of substances and their properties and reactions
committed	adj: willing to put in a lot of effort, time, and energy into something; firmly believing in something
excessive	adj: greater than what seems necessary, normal, or desirable
contaminate	v: to make something impure, unclean, or poisonous by contact or mixture
freshwater	adj: living in, found in, or connecting with water that does not contain salt
planet	n: any of the nine large celestial bodies that circle in the solar system; any celestial body that revolves around a star
salinity	n: the presence or amount of salt in a substance, especially in water or soil; the measure of the concentration of dissolved salts in a liquid
relative	adj: considered and evaluated through comparison with something else
volume	n: the amount of space occupied by an object or substance; the magnitude of sound
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
jug	n: a container with a handle and spout used for pouring liquids, typically made of ceramics, glass, or metal; (verb) to cook something slowly in a covered container
precious	adj: uncommon and extremely valuable
doorway	n: an opening in a wall for a door to fit into
wipe	v: to clean or dry something by rubbing with a piece of cloth or paper or one’s hand and removing dirt, food, or liquid
severe	adj: extremely serious or bad in feeling, manner, or strict and harsh; extremely strong or vigorous
consequence	n: the outcome of a particular action or event, especially relative to an individual
teaspoon	n: a small spoon used to stir or measure out small amounts of some ingredients, typically sugar, salt, or spices, in cooking or serving
suddenly	adv: quickly and unexpectedly
saltiness	n: the quality or state of being salty
vulnerable	adj: capable of being hurt or influenced physically or mentally
survey	n: an investigation of the opinions, behavior, etc. of a particular group of people, made by asking people questions
ailment	n: a slight but often persistent illness
scarcity	n: the state of being in short supply; a small and inadequate amount
industrial	adj: of or relating to or resulting from industry
statistics	n: the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data
arid	adj: lacking in moisture or rainfall; dry and barren; lacking in interest, life, or vitality
deice	v: to remove ice from a surface, especially from a vehicle or aircraft, using a chemical or mechanical means
potentially	adv: in a possible state or condition; possibly
wastewater	n: water that contains waste substances from homes, farms, factories, etc.
convert	v: to have a talk with someone; (adjective) reversed in order, relation, or action
proposal	n: a formal suggestion or offer, sometimes a written one
defend	v: to protect someone or something from attack, criticism, danger, etc.
mechanism	n: a part of a machine, or a set of parts that performs a task; a natural or established process that occurs during a specific situation or reaction
involve	v: to include or affect someone or something as a necessary part of something else
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
implement	v: to put a decision, plan, or system into effect
recycle	v: to sort and collect things to process them and produce valuable materials that can be used again
reuse	v: to use something again or more than once
recover	v: to return to a former condition, health, mind, or strength
consume	v: to spend something, especially fuel, energy, or time, in a large amount
rehabilitate	v: to restore to good health or physical condition; to help someone return to a normal life, especially after a period of illness, addiction, or imprisonment
membrane	n: a soft, thin layer that forms animal or vegetable tissue
separate	v: to force, take, or pull apart; mark as different
polymer	n: a substance composed of macromolecules (= large groups of atoms) made from many smaller and simpler molecules
typical	adj: having the usual characteristics or traits of a specific group of things
negative	adj: having the quality of something bad or harmful; expressing refusal
repel	v: to force an attack or attacker to withdraw or retreat
chloride	n: a compound that is formed when the element chlorine is combined with another element, such as sodium, potassium, or calcium, and chloride ions are found in many types of salts and are important for bodily functions such as digestion and fluid balance
ion	n: an atom or molecule that has a positive or negative electrical charge caused by its losing or gained one or more electrons
dissolve	v: to be or cause to be absorbed by a liquid to form a part of the solution; to close down or dismiss
purify	v: to remove harmful substances from something and increase the concentration of it
principle	n: a fundamental law or truth that explains or controls how something happens or works
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
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
chamber	n: a large room used for a formal, public, or particular purpose; one of the parts of a parliament
concentration	n: the ability to focus all your time and energy on one thing without thinking about anything else.
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
transport	n: a system for moving people or products from one location to another using automobiles, roads, and so on
equilibrium	n: a state in which opposing forces or influences are balanced
achieve	v: to successfully complete a task or goal, often through hard work, perseverance, and dedication; to attain or accomplish something that one has set out to do
opposition	n: the act of disagreeing or resisting; the state of strong disagreement
purity	n: the state of being undiluted or unmixed with anything else; the state of being free from immorality, especially of a sexual nature
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
modify	v: to change something slightly, such as a plan, option, law, etc., especially to make it more suitable for a particular purpose
refer	v: to direct someone’s attention, thoughts, or questions to another source or person; to mention, cite, or allude to something as evidence or support
filtration	n: the process of passing a substance (such as liquid or gas) through a medium to remove impurities or unwanted particles
introductory	adj: intended as an introduction or preliminary; serving as a base or starting point
transform	v: to change in outward structure or looks;
folk	n: people in general, especially those of a particular group or type
chemical	adj: relating to or connected with chemistry;
industrious	adj: hardworking, diligent, and persistent in effort
shock	n: a strong feeling or physical reaction to a sudden and unexpected event or experience, especially something unpleasant
empire	n: a group of countries ruled by one leader or government
environment	n: the natural world such as air, water, and land in which humans, animals, and plants live
melt	v: to turn from something solid into something soft or liquid as a result of heating
springtime	n: the season of the year between winter and summer, typically associated with the blooming of flowers, growth of plants, and milder weather
runoff	n: the occurrence of surplus liquid such as water that exceeds the limit or capacity; another competition, election, race, etc., following a tie or inconclusive outcome
opportune	adj: suitable or happening at a time that is suitable or convenient for a particular purpose
psychology	n: the scientific study of mind and behavior
concept	n: an idea or principle associated with something abstract
circular	adj: shaped like a circle; having a round form
alkali	n: a soluble base or hydroxide that has a pH greater than 7, is bitter in taste, and can be corrosive or caustic in high concentration, often used in industry for cleaning, neutralization, or manufacturing processes
epoxy	n: a type of adhesive or resin that is created by combining two components, a resin, and a hardener; (verb) to glue or bind together with a type of synthetic resin known as epoxy, often used in construction, manufacturing, and repair projects
urethane	n: a synthetic organic compound used as a monomer to manufacture flexible and rigid polyurethane foams, adhesives, and coatings
solvent	adj: capable of dissolving other substances; having sufficient money to pay all outstanding debts; (noun) a liquid substance capable of dissolving other substances
sodium	n: a metallic element that is the most common alkali metal and is used in the production of many chemicals, including soap, glass, and paper
stack	n: a pile of something arranged or laid one on top of another; a large tall chimney through which combustion gases and smoke can be evacuated
linear	adj: of, relating to, or consisting of lines or length; able to be expressed as a straight line, especially on a graph
economy	n: the system by which a country or region produces manages, and distributes goods and services, including the money and finances involved in these activities; (of an airline) the lowest-priced, most basic option for seating in commercial travel
functional	adj: designed for or capable of a particular activity, purpose, or task; practical or ready for use or service
conversion	n: the act or process of changing something from one thing to another; the state of being changed
regenerate	v: to improve or renew an area, institution, system, etc., especially by making it more active or successful
byproduct	n: a secondary or incidental product produced in the manufacture or synthesis of something else
stream	n: a small, narrow river; a continuous flow of something, such as liquid, gas, people, vehicles, etc.
propylene	n: a chemical compound that is a colorless and flammable gas obtained by cracking petroleum, especially used for making polymers
oxide	n: a chemical compound that contains at least one oxygen atom and one other element
basis	n: the most important facts, ideas, or events from which something is developed; the way how things are organized or arranged
barrier	n: a fence or other obstruction that makes it hard to move or get in; any condition that makes it difficult to make progress or to achieve an objective
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
undervalue	v: to assign too low a value to something
sustainable	adj: able to continue or be continued for a long time
manufacture	v: to make goods in large numbers, usually in a factory using machines
resident	n: a person who lives in a particular place or has their home in a place
cape	n: a type of long, loose outer garment that covers the back, shoulders, and arms; a headland or promontory extending into the sea or other large body of water
year-over-year	adj: a comparison of statistics or financial data from one year to the next, typically calculated as a percentage change
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
reserve	v: to keep something for future use or contingency; to obtain or arrange something, such as a meeting, seat, etc., in advance
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