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All Words (102 Words)

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Advanced Words (38 Words)

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Word List

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Word	Meaning	Advanced
archaeology	n: the branch of anthropology that studies prehistoric people and their cultures
discovery	n: the act or process of finding information, a place, or an object, or learning about something that was previously not known
ancient	adj: relating to the long ago, particularly the historical period preceding the fall of the Western Roman Empire; very old
riddle	n: a type of question that describes something in a difficult and confusing way, and that has a surprising answer, often asked as a game
cavity	n: an empty space or hollowness within a solid object, especially within the body, such as a tooth or bone; a hole or depression in a surface or the ground
plague	n: any epidemic disease with a high death rate; (also called pest) a serious, sometimes fatal, infection spread by rats that causes fever and swellings on the body
specific	adj: clearly defined or particular to a certain thing or situation; distinct, explicit, and precise
microbe	n: a tiny living thing that can only be seen with a microscope and that may cause disease
typical	adj: having the usual characteristics or traits of a specific group of things
erupt	v: (of a volcano) to become active and eject rocks, smoke, etc.; to start abruptly and violently
naturally	adv: as might be expected; by natural manners
accumulate	v: to collect or acquire a large number of things over a long period of time
communal	adj: belonging to or used by a group rather than individuals; for common use
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
specifically	adv: only associated with or meant for one thing
consume	v: to spend something, especially fuel, energy, or time, in a large amount
overpopulation	n: a situation in which the number of people or living organisms in a particular area or environment exceeds the carrying capacity or resources of that area or environment
sugary	adj: having the taste, texture, or appearance of sugar; excessively sweet or cloying; overly sentimental or flattering in a way that seems insincere
mutans	n: a type of bacteria, specifically known as Streptococcus mutans, commonly found in the human oral cavity and often associated with tooth decay and dental caries
streptococcus	n: a genus of bacteria that includes many species, some of which can cause a wide range of infections in humans and animals, including strep throat, pneumonia, and skin infections
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
molecular	adj: of or relating to molecules (= a group of two or more atoms held together by attractive forces known as chemical bonds)
byproduct	n: a secondary or incidental product produced in the manufacture or synthesis of something else
acid	n: sour; water-soluble chemicals with a sour flavor; any of a variety of generally liquid compounds capable of reacting with and occasionally dissolving other materials
lactic	adj: relating to or derived from milk, particularly the sour-tasting organic compound produced by the fermentation of lactose
resistant	adj: not affected by something, especially changes or new ideas; of or relating to immunity to disease or infection
unfortunately	adv: by bad luck; unluckily
hardy	adj: able to withstand harsh conditions or difficult circumstances; robust, sturdy, or resilient
enamel	n: a hard, glossy coating that is applied to surfaces such as metal, glass, or ceramics to protect them from wear, corrosion, or weathering; the hard, white outer layer of teeth
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
leach	v: to remove or drain away something from a material, usually by seeping or filtering, such as chemicals from soil or minerals from rock
calcium	n: a chemical element with the symbol Ca and atomic number 20, which is an important mineral for the human body
gradual	adj: happening slowly over a long period of time or distance; not steep or abrupt
pathway	n: a track that constitutes or serves as a path; an approach or a way of doing something
dentin	n: a hard, dense, and mineralized tissue that forms the bulk of a tooth, lying underneath the enamel and surrounding the dental pulp
vessel	n: a ship or large boat
nervous	adj: worried and anxious about something; relating to the nerves
enclose	v: to surround, as with a fence, wall, or barrier; to put within boundaries; to include
expand	v: to increase or to make something greater in size, number, or importance
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
extend	v: to broaden in scope, range, or area
invasion	n: army’s act of forcibly entering another country or territory to take control of it
progression	n: the act or process of changing to the next stage or phase or moving forward
excruciating	adj: extremely painful, intense, or distressing; causing great physical or emotional suffering
exposed	adj: having no protection or shield from something, such as bad weather, attack, or criticism
infect	v: to affect a person, an animal, or a plant with a disease-causing organism
removal	n: the act of taking something away or off from a particular place
cave	n: a large hole in the side of a hill, cliff, mountain, or under the ground
indulge	v: to allow oneself or another person to have or enjoy something, especially something that is considered to be a luxury or treat
diet	n: the food and drink that a person, animal, or community eats and drinks regularly; a legislative assembly in certain countries, for example, Japan
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
lean	adj: having a noticeably small amount of body fat; (verb) to bend or move from a straight to a sloping posture
ancestor	n: a person from whom one is descended; a forefather
grain	n: wheat or any other small hard seeds used as a food; a relatively small granular particle of a substance
carbohydrate	n: (also carb) any of a class of organic compounds that includes sugars, starch, and cellulose and are a principal source of energy in the diet of animals
enzyme	n: a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
saliva	n: the clear liquid that is secreted into the mouth by glands in the walls of the mouth and throat, helping to lubricate food during chewing and digestion
fodder	n: feed, such as hay or straw, for cattle and other livestock; figuratively, something that is used as material or inspiration for something else
ravenous	adj: extremely hungry or famished; greedy or voracious in appetite or desire
flint	n: a hard, gray stone that can produce sparks when struck with steel used historically to start fires; a type of microcrystalline quartz used for making tools, weapons, and jewelry
rot	v: to decay, or cause something to decay, naturally and gradually
rudimentary	adj: relating to basic facts or principles; fundamental
drill	n: a tool or machine used for making round holes or driving fasteners; a training or practice
rough	adj: not quite exact or correct; having or caused by an irregular surface
wax	n: a substance that is solid at room temperature but becomes softer and more pliable when heated, often used in the production of candles, polishes, and cosmetics; (verb) to become large
modern	adj: of or belonging to the present time or recent times
sophisticated	adj: having a great deal of worldly experience and knowledge of people’s behavior, culture, and fashion
technique	n: a particular way or art of doing something that needs skill
fortunate	adj: having good luck or lucky
contend	v: to struggle to win or surmount something
dam	n: a wall constructed over a river to block the flow of water, mainly used to generate energy
guzzle	v: to drink something quickly, greedily, and usually in large amounts.
industrial	adj: of or relating to or resulting from industry
revolution	n: a large-scale attempt to overthrow the government of a country, often using violence or war;
incidence	n: the frequency or rate at which a particular event or condition occurs within a specific population, group, or area; the occurrence or manifestation of something, especially something harmful or unpleasant
surge	n: a sudden and great increase of something, such as a feeling, the amount or number, etc.
suddenly	adv: quickly and unexpectedly
technological	adj: based on scientific and industrial progress
advance	v: to go or move forward; to develop in a positive way
refined	adj: made pure by having impurities or unwanted elements removed by processing
incredible	adj: unbelievable; enormous
susceptible	adj: easily influenced, harmed, or affected by something
consumption	n: the amount used or eaten; the act of using up a resource such as energy, food, or materials
blame	v: to think or say that someone or something did something wrong or is responsible for something bad
minimize	v: to make something, especially something bad, small or less serious
intake	n: the act or process of taking food, air, etc., into your body through the mouth; the amount of food, air, or another substance that you take into your body
starch	n: a complex carbohydrate found in many plants, including rice, wheat, and potatoes that is an important foodstuff for humans and animals
toothpaste	n: a paste or gel used for cleaning the teeth and freshening the breath
fluorine	n: a chemical element with the symbol F and atomic number 9 that is the most reactive of all known elements and exists in nature only in combination with other elements, typically in the form of fluoride compounds
strengthen	v: to become stronger or more effective; to make someone or something stronger or more effective
encourage	v: to give someone support, confidence, or hope; to persuade someone to do or continue to do something by making it easier for them and making them believe it is a good thing to do
crystal	n: a solid material with many even sides that is formed naturally when the substance becomes solid and has a highly regular atomic structure; clear and colorless glass made of almost pure silica
defend	v: to protect someone or something from attack, criticism, danger, etc.
hygiene	n: the practice of maintaining cleanliness in the home and person to prevent illness
rid	v: to make someone or something free of unwanted or unpleasant tasks, objects, or person
floss	n: a thin thread or cord used to clean the spaces between the teeth
sticky	adj: made of or covered with an adhesive substance; hot or warm and humid
cling	v: to hold onto something tightly; to be closely attached to someone or something
decline	v: to become gradually smaller, fewer, worse, etc.; to refuse to accept
yesteryear	n: the past, especially a past era or time period that is now considered outdated
avert	v: to prevent something dangerous or undesirable from happening
calamity	n: a serious event that causes damage, injury, or loss