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All Words (83 Words)

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Advanced Words (22 Words)

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Word List

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Word	Meaning	Advanced
invisible	adj: impossible or nearly impossible to see
microbe	n: a tiny living thing that can only be seen with a microscope and that may cause disease
swarm	n: a group of many things, such as insects, fishes, etc., in the air or water or on the ground
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
archaea	n: a group of single-celled microorganisms distinguished from bacteria by their unique cell wall structure and biochemical characteristics, which are found in extreme environments such as hot springs and salt flats
fungus	n: a type of organism that includes yeasts, molds, and mushrooms, which are heterotrophic, meaning they do not produce their food and must consume organic matter to survive
evolve	v: to develop gradually, or to cause the development of something or someone gradually
enzyme	n: a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
organic	adj: of or derived from biological substance; producing plants and animals for food and other items without the use of synthetic chemicals
digest	v: to transform food into absorbable substances; break down
nutrient	n: any substance that is essential for the maintenance and growth of living things
widespread	adj: existing or happening in various places or among many people
biodegrade	v: to decay naturally by microorganisms, such as bacteria and fungi
molecule	n: a group of two or more atoms held together by attractive forces known as chemical bonds
coal	n: a combustible black or brownish-black sedimentary rock that is found below the ground and burnt to produce heat
refined	adj: made pure by having impurities or unwanted elements removed by processing
polymer	n: a substance composed of macromolecules (= large groups of atoms) made from many smaller and simpler molecules
temperature	n: the degree of hotness or coldness of a thing or place
incredibly	adv: in a way that is very difficult to believe; exceedingly or extremely
chemical	adj: relating to or connected with chemistry;
modification	n: the act of changing something, usually to improve it, or something changed
human-made	adj: created or produced by humans; artificial
bond	n: a close emotional connection between two or more people; a certificate of debt that a government or corporation issues to raise money
comparable	adj: able to link the similarities or differences with others; similar or equivalent to someone or something
biology	n: the scientific study of life and the natural processes of living things
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
countless	adj: too numerous to be counted or very many
indigestible	adj: not easily digested or broken down by the body; difficult or impossible to understand or comprehend
pile	n: a collection of objects positioned one on top of another; a large sum of something, such as money
roughly	adv: approximately but not precisely; with a violent manner
discard	v: to throw something away or get rid of something that you no longer wanted or need
trash	n: discarded material, refuse, or waste
recycle	v: to sort and collect things to process them and produce valuable materials that can be used again
incinerate	v: to burn something, especially waste material completely
landfill	n: a site for the disposal of waste materials
leak	v: to allow liquid or gas to get in or out from a hole or crack in a pipe or container
environment	n: the natural world such as air, water, and land in which humans, animals, and plants live
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
ecosystem	n: all the plants and living creatures in an area and the way they affect each other and the environment
estimate	v: to guess or calculate the cost, size, value, etc. of something
microplastic	n: tiny plastic fragments in the environment originating from consumer products and industrial waste
fragment	n: a small piece or part broken off or detached
fortunate	adj: having good luck or lucky
sludge	n: a thick, wet mixture of liquid and solid matter, typically one that is unpleasant or harmful
discovery	n: the act or process of finding information, a place, or an object, or learning about something that was previously not known
identify	v: to recognize someone or something and say or prove who or what they are
bacterium	n: a very small, single-celled microorganism that lacks a nucleus and other membrane-bound organelles
pet	n: an animal that you have at home as a companion and treated kindly
isolate	v: to physically or socially separate someone or something from other people or things
gene	n: the fundamental unit of heredity and the sequence of nucleotides in DNA that codes for the creation of RNA or protein.
bioengineering	n: the application of engineering principles to the design and production of biological systems and products
combine	v: to join or merge to form a single thing or group
improve	v: to make or become better
boost	v: to improve, raise, or increase something
lab	n: a workplace for the conduct of scientific research; a laboratory
operate	v: to work in a particular way; to supervise something
adapt	v: to make fit for or change to suit a new purpose or environment
compost	n: a mixture of organic matter, such as food scraps, yard waste, and manure, that is allowed to decompose and is used as fertilizer for plants and garden soil
rot	v: to decay, or cause something to decay, naturally and gradually
branch	n: a division of a tree or woody shrub that grows out from the trunk or a main stem; a division of some larger or more complex organization
sequence	n: a series of related events, actions, numbers, etc., which have a particular order
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
genetically	adv: in a way that relates to or is produced by genes (= the units in the cells of a living thing received by an animal or plant from its parents) or heredity
engineer	n: a person whose job is designing, building, or maintaining something such as machines, structures, or software
quantity	n: the amount or number of something; magnitude
enhance	v: to increase or improve the quality, amount, or strength of someone or something
variant	n: something that is slightly different from others of the same type
die-hard	adj: (of a person) extremely loyal, dedicated, or enthusiastic; unwilling to give up
abundant	adj: present in great quantity
tolerate	v: to allow something to exist or happen, even if it is disliked or opposed
intensive	adj: involving a lot of work or activity in a short time
fraction	n: a small part or item forming a piece of a whole; the quotient of two rational numbers
tolerant	adj: accepting different views, beliefs, or practices without judgment or interference
plastivorous	adj: describes an organism that feeds on plastic or can survive on a diet that contains primarily plastic material
planet	n: any of the nine large celestial bodies that circle in the solar system; any celestial body that revolves around a star
hostile	adj: unfriendly or aggressively opposed
rely	v: to require a specific thing or the assistance and support of someone or something to continue, run properly, or succeed.
enormous	adj: extremely large or great
mess	n: a state of confusion, dirtiness, or untidiness; (verb) to fail to do something or to make something dirty or untidy
rethink	v: to consider again a plan, idea, etc., especially to change it
relation	n: the way two persons or groups of people feel and act toward one another
urgently	adv: in a way that requires immediate action or attention, especially before anything else, because of being very important
entourage	n: a group of people who attend or surround an important and influential person