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All Words (109 Words)

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Advanced Words (35 Words)

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Word List

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Word	Meaning	Advanced
mosquito	n: a small flying insect whose female bites people and animals and sucks their blood, and sometimes transmits serious diseases such as malaria
inject	v: to put a liquid such as a drug or other substance into a person’s or an animal’s body using a needle and syringe (= small tube)
chemical	adj: relating to or connected with chemistry;
lump	n: a small, irregularly shaped mass or piece, typically of a soft substance such as coal, flour, or dough
accompany	v: to go somewhere or travel with someone or something
telltale	adj: revealing or betraying information or evidence; serving as a sign or indicator of something
itch	v: to have an uncomfortable feeling on the skin that makes you want to scratch it
nuisance	n: something or someone that causes annoyance, inconvenience, or discomfort; an unpleasant or irritating thing or person
bump	v: to hit or knock against something hard, often with a dull sound; to meet with by accident
immune	adj: protected against a particular disease or toxin due to the presence of specific antibodies or sensitized white blood cells
safeguard	v: to protect something or someone from harm, damage, or loss
infection	n: a condition in which pathogenic microorganisms or viruses have entered the body
disease	n: a disorder or illness that affects the body or mind, often characterized by specific symptoms or abnormal functioning of organs or systems
vast	adj: enormous in size, number, amount, or quantity
tissue	n: an ensemble of similar cells of the animal or plant that together carry out a specific function
coordinate	v: to bring the different parts of the activity and the people into an organized, ordered, or efficient relationship; (adjective) of equal importance, rank, or degree
defend	v: to protect someone or something from attack, criticism, danger, etc.
threat	n: a strong indication or likelihood of harm, danger, or adverse consequences; an expression of intent to inflict harm or injury on someone or something, often made as a means of coercion or intimidation
exposed	adj: having no protection or shield from something, such as bad weather, attack, or criticism
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
virus	n: a tiny infectious organic material that causes disease in people, animals, and plants
toxin	n: a poisonous substance produced by a living organism, such as a plant, animal, or microorganism; a chemical compound that can cause harm or illness to a living organism
rely	v: to require a specific thing or the assistance and support of someone or something to continue, run properly, or succeed.
defensive	adj: used or intended to protect someone or something against attack or aggression
leukocyte	n: the cells of the immune system that are involved in protecting the body against both infectious diseases and foreign invaders
originate	v: to come into existence in a particular place or situation; to start something in a specific place
marrow	n: a soft, fatty, vascular substance in the cavities of bones, in which blood cells are produced; the choicest or most essential part of some idea or experience
migrate	v: to move from one country or region to another and settle there; to move from one place to another periodically or seasonally
bloodstream	n: the blood flowing through the body
lymph	n: a colorless fluid containing white blood cells that carry waste matter away from body tissue and help to prevent infections from spreading
vessel	n: a ship or large boat
teem	v: to be abuzz; to move in large numbers; to fall heavily
personnel	n: a group of people who are employed in an organization or one of the armed forces; the department responsible for hiring, training, and placing employees
constantly	adv: all the time
suspicious	adj: making you feel that someone has done something wrong, illegal, or dishonest without any evidence
cue	n: a signal, gesture, or action that provides information or direction for someone else to act or respond; a reminder or prompt for someone to do something
antigen	n: a substance that triggers the body’s immune response (= the reaction for fighting infections) for defending the body, especially by producing antibodies (= proteins that identify and attack harmful bacteria, viruses, etc.)
molecular	adj: of or relating to molecules (= a group of two or more atoms held together by attractive forces known as chemical bonds)
trace	v: to find or discover someone or something that was lost
pathogen	n: a bacterium, virus, or other microorganism that causes disease
substance	n: the real physical material of which a thing or person consist; the most important or main part of some idea or experience; an illegal drug
betray	v: to reveal or deliver to an enemy by treachery or disloyalty; to reveal something unintentionally
presence	n: the fact or state that someone or something exists, occurs, or is present
invade	v: to enter aggressively into another’s territory by military force for conquest and occupation
detect	v: to find or recognize something, especially something difficult to see, hear, etc.
variable	adj: likely to change or vary often; (noun) a symbol, like x or y, that is used in mathematical or logical expressions to represent a value that may be changed
adaptable	adj: able or willing to modify or be modified to deal with new situations
tackle	v: to try to deal with a complex problem or situation
diversity	n: the quality or fact of many different types of things or people being included in something; a range of different things or people
cellular	adj: of or connected with the cells of animals or plants; of or connected with a mobile telephone system that uses several short-range radio stations instead of wires
two-pronged	adj: having two prongs:
phagocyte	n: a type of cell in the immune system that is capable of engulfing or absorbing foreign, harmful particles or microorganisms to protect the body from infection or disease
trigger	v: to make something happen suddenly; to cause something such as a device, machine, etc. to function
macrophage	n: a large white blood cell that helps to engulf and destroy foreign objects or materials in the body, such as bacteria or cancer cells
dendrite	n: a branched, tree-like structure that extends from a neuron (= nerve cell) and receives signals from other neurons and sensory receptors
circulate	v: to move continuously or freely around a place or closed system
destroy	v: to ruin or damage severely or completely; to eradicate or eliminate completely
encounter	v: to face something, particularly something unpleasant or difficult, while attempting to do something else; to meet, especially unexpectedly
consume	v: to spend something, especially fuel, energy, or time, in a large amount
identify	v: to recognize someone or something and say or prove who or what they are
ingest	v: to take food or drink into the body, often through the mouth; to absorb or assimilate something, often used to describe the intake of information or knowledge
transmit	v: to send or forward an electronic signal; to pass something from one person or thing to another
orchestrate	v: to plan, coordinate, or arrange something, especially skillfully or cleverly; (noun) the act of organizing or directing the elements of a composition, especially in music
lymphocyte	n: a type of white blood cell that plays a role in the immune system’s response to infection and disease
infect	v: to affect a person, an animal, or a plant with a disease-causing organism
swift	adj: happening, moving, or capable of moving quickly
protein	n: a molecule made up of a long chain of amino acids, which is essential for the structure and function of the body’s tissues
antibody	n: a substance produced in the blood that attacks and kills harmful bacteria, viruses, etc., to fight disease
resistance	n: the act of defending oneself from an aggressor or refusing to accept something
latch	n: a device for holding a door or gate closed, typically a sliding bar or bolt
cycle	n: an interval during which a recurring sequence of events occurs; a bicycle or motorcycle
neutral	adj: not helping or assisting either side in a conflict, argument, etc.
symptom	n: any sensation or change in body or mind that is experienced by a patient and is associated with a particular disease
temperature	n: the degree of hotness or coldness of a thing or place
swelling	n: an abnormal local enlargement of a part of your body, mainly because of illness or injury
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
aid	n: things sent to help countries in need, notably food or money; support
reproduce	v: to make a copy of something such as a picture, piece of text, music, etc.; to produce offspring through a sexual or asexual process
sensitive	adj: able to notice slight changes, signals, or influences; able to feel or perceive other’s feelings; susceptible to the things people say or do
dam	n: a wall constructed over a river to block the flow of water, mainly used to generate energy
release	v: to set free or allow to escape from confinement
fluid	n: a substance that can flow and is not solid
leak	v: to allow liquid or gas to get in or out from a hole or crack in a pipe or container
surrounding	adj: that is near or around, or closely encircling something
attract	v: to draw or entice someone or something towards them through the qualities they have, especially positive ones
eradicate	v: to get rid of or destroy something completely, especially something bad
escalate	v: to increase in intensity, size, or severity; to make something greater, worse, or more serious
constant	adj: happening repeatedly or all the time
surveillance	n: the act of carefully monitoring a person suspected of a crime or a place where a crime may be committed or expected
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
immunity	n: the ability of an organism to resist infection or disease, often due to the presence of antibodies
recognize	v: to acknowledge or realize something or someone; to identify, remember, or become aware of something that was previously known or encountered
revisit	v: to go to a place again, especially after a long period
deploy	v: to move troops or weapons into a position or military action; to bring into something in an effective way
pox	n: a group of infectious diseases that cause skin eruptions and fever, such as smallpox, chicken pox, and cowpox; often used to refer specifically to the skin eruptions caused by these diseases
autoimmune	adj: relating to a condition in which the body’s immune system attacks and destroys healthy body tissue, mistaking it for harmful foreign substances
disorder	n: an untidy state or a lack of organization; a physical condition or illness that causes problems with how a section of the body or brain functions
sabotage	n: the deliberate and malicious damage, destruction, or disruption of equipment, machinery, or other property, often by someone with a particular agenda or motive; the subversion of an organization or institution by secret agents or spies
vary	v: to become different in terms of size, shape, etc.
degree	n: a unit of measurement for angles, temperature, or level of proficiency or achievement; a rank or level of academic or professional attainment
underlie	v: to be the support, basis, hidden cause of something; to be located under or below
arthritis	n: inflammation of one or more joints of the body, which include pain and stiffness
diabetes	n: a medical condition in which the body cannot produce enough insulin to control the glucose levels in the blood
sclerotic	adj: referring to the hardening or thickening of a tissue, organ, or other body parts, often due to infection, disease, or aging
individual	n: a single person or thing, as distinct from a group
estimate	v: to guess or calculate the cost, size, value, etc. of something
innumerable	adj: too many to be counted
lifetime	n: the duration of someone’s life or something’s existence;
scratch	v: to cut or damage the surface of something or the skin with a sharp or pointed object