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All Words (98 Words)

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Advanced Words (27 Words)

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nationn: a large organized community of people living in a particular country or region and having a particular culture
launchv: 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
unprecedentedadj: never having been seen, done, or known before
facilityn: a building or place that provides a particular service or is used for a particular industry
recyclev: to sort and collect things to process them and produce valuable materials that can be used again
wastewatern: water that contains waste substances from homes, farms, factories, etc.
desperateadj: feeling or showing a lack of hope and a willingness to do anything because of the problematic situation
decisionn: the act or process of making up someone’s mind about something; a choice or judgment reached after considering options
climaten: the weather in a particular location averaged over some long period
frequencyn: an ordered array of colors into which a light beam can be split
durationn: the length of time something lasts or continues
droughtn: 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
reusev: to use something again or more than once
flushv: 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
toiletn: a bowl-shaped plumbing fixture with a seat for defecation and urination, or a room or building containing one or more of this fixture
cocktailn: 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
primaryadj: 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
sinkv: 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
laundryn: the act of washing clothes and linens; a room or area where clothes are washed and ironed
urinen: a liquid by-product of metabolism in humans and in many other animals that are released from the body when you urinate
fecesn: waste matter eliminated from the bowels; excrement
globn: a small, round mass or lump; a drop or blob of liquid or viscous substance
sewv: to join, fasten, or repair two pieces of something by putting the thread through them with a needle
combinev: to join or merge to form a single thing or group
undergroundadj: under the surface of the ground; a secret group organized to achieve a specific purpose, such as overthrowing the government or occupying a force
solidadj: hard or firm; characterized by good substantial quality
rifeadj: full of, abundant with, or commonly present or encountered, often used to describe something undesirable or harmful
contaminatev: to make something impure, unclean, or poisonous by contact or mixture
pathogenn: a bacterium, virus, or other microorganism that causes disease
microorganismn: 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
tracev: to find or discover someone or something that was lost
chemicaladj: relating to or connected with chemistry;
excessn: an amount or quantity beyond what is acceptable, expected, or reasonable
inorganicadj: being or consisting of nonliving stuff; chemical compounds that contain no or only trace amounts of carbon
nutrientn: any substance that is essential for the maintenance and growth of living things
pollutev: 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
concoctionn: the mixture, often a complicated one; a preparation made by combining various ingredients
sewern: an underground system of pipes used to carry away sewage and wastewater
typicaladj: having the usual characteristics or traits of a specific group of things
nitrogenn: 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
processn: 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
involvev: to include or affect someone or something as a necessary part of something else
biologyn: the scientific study of life and the natural processes of living things
interventionn: the action or process of being done to improve or help a circumstance, often they have not been asked to do so
settlev: to reach an agreement of disagreement
particlen: a small piece of something; a word or piece of a term with grammatical function but little or no significance
reactionn: a response that reveals a person’s feelings or attitude; (in chemistry) a process in which one or more substances are changed into others
microben: a tiny living thing that can only be seen with a microscope and that may cause disease
unwantedadj: not wanted or desired
disinfectv: to clean something using chemicals or other materials that kill germs or bacteria, making it safe and free from harmful microorganisms
proceduren: a way of doing something, especially the official or well-known way
dischargev: 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
potableadj: suitable for drinking; safe and fit to be consumed as a beverage
irrigationn: the agricultural practice of supplying land with water through pipes or channels so that crops grow well
bacterian: 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
storagen: 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
filtrationn: the process of passing a substance (such as liquid or gas) through a medium to remove impurities or unwanted particles
membranen: a soft, thin layer that forms animal or vegetable tissue
filtern: any of several types of equipment or systems used to separate particles from liquids or gases or to remove specific forms of light
reversev: to change something’s direction, order, position, decision, etc., to the opposite one; (adjective) directed or moving toward the rear
osmosisn: 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
permeableadj: capable of being penetrated, passed through, or absorbed; allowing liquids, gases, or other substances to pass through a surface or material, often with ease
virusn: a tiny infectious organic material that causes disease in people, animals, and plants
plungev: to dive quickly and steeply downward; to thrust or throw into something; (noun) a steep and rapid fall
emitv: to give off or send out something such as light, heat, sound, gas, etc.
radiationn: the energy that comes from a nuclear reaction in the form of rays, waves, or particles and that can be hazardous to health
permanentadj: lasting for a long time without essential change
damagev: 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
geneticadj: of or relating to genes (= parts of the DNA in cells) or the science of genes
lingeringadj: continuing for a long time; persistent; remaining in a place or situation for longer than is usual or necessary; unwilling to leave
hydrogenn: the chemical element that is the lightest gas is colorless, odorless, tasteless, and combines with oxygen to form water
peroxiden: a compound containing an oxygen-oxygen single bond or the anion O2^2-, often associated with hydrogen peroxide (H2O2), a common antiseptic
handlev: to deal with a situation, problem, or strong emotion
pollutantn: a substance or agent that pollutes or contaminates the environment, typically through release into the air, water, or soil
rigorousadj: allowing or demanding no deviation from a standard; extremely careful, thorough, or accurate
pipelinen: a very long large tube that is usually underground and is used for carrying liquid or gas for long distances
municipaladj: of or relating to a municipality, which is a small administrative division within a larger city or town
optv: to make a choice from a range of possibilities
indirectadj: 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
environmentn: the natural world such as air, water, and land in which humans, animals, and plants live
buffern: a device, material, or person that reduces the impact or effect of an external force or provides protection against harm or damage
reservoirn: a natural or artificial lake used to store water for community use; a large or extra supply of something
wetlandadj: land that is saturated with water, either permanently or seasonally, such as swamps, marshes, and bogs
groundwatern: water that is present beneath the surface of the ground, especially in soil or in pores and crevices in rock
aquifern: an underground layer of rock, sand, or Earth that can take in and hold water
diffuseadj: spread out widely; not concentrated in one place
degradev: 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
extractn: 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
increasinglyadv: more and more
lifelinen: 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
aridadj: lacking in moisture or rainfall; dry and barren; lacking in interest, life, or vitality
feasibleadj: capable of being or likely to be made, done, or achieved
infrastructuren: the basic systems, services, or features that are necessary for an organization or country, such as transport and power supplies
pumpv: 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
communaladj: belonging to or used by a group rather than individuals; for common use
sanitationn: 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
strugglev: 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
investigatev: to conduct a systematic or formal inquiry to identify and evaluate the facts of a crime, problem, statement, etc. to establish the truth