Cambridge IELTS Vocabulary Unit 4 - Scientific discovery

IELTS - Chemistry and medicine vocabulary

Noun

a small case or container, especially a round or cylindrical one.

a small soluble case of gelatin containing a dose of medicine, swallowed whole.

Noun

a colourless, odourless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 per cent) and is absorbed by plants in photosynthesis.

Noun

a thing that is composed of two or more separate elements; a mixture.

Noun

a result or effect, typically one that is unwelcome or unpleasant.

Noun

a quantity of a medicine or drug taken or recommended to be taken at a particular time.

Noun

the production and discharge of something, especially gas or radiation.

Noun

the state of having no protection from something harmful.

Noun

a series of organisms each dependent on the next as a source of food.

the series of processes by which food is grown or produced, sold, and eventually consumed.

Noun 

the process of infecting or the state of being infected.

Noun 

reciprocal action or influence.

a particular way in which matter, fields, and atomic and subatomic particles affect one another, e.g. through gravitation or electromagnetism.

Noun

a substance used for destroying insects or other organisms harmful to cultivated plants or to animals.

Noun

any of a class of nitrogenous organic compounds which have large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components

Noun

a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances

Noun 

a secondary, typically undesirable effect of a drug or medical treatment.

Adjective

relating to or caused by bacteria.

Adjective

(of a disease) spread from one person or organism to another, typically by direct contact.

Adjective

having been made impure by exposure to or addition of a poisonous or polluting substance.

Adjective

giving rise or likely to give rise to controversy or public disagreement.

Adjective

decisive or critical, especially in the success or failure of something.

Adjective

absolutely necessary; extremely important.

(of a disease) with no known external stimulus or cause; idiopathic.
"essential hypertension"

Adjective

existing in or derived from nature; not made or caused by humankind.

Adjective

relating to or derived from living matter.

(of food or farming methods) produced or involving production without the use of chemical fertilizers, pesticides, or other artificial chemicals.

Adjective

relating to or denoting substances obtained by the refining and processing of petroleum or natural gas.

Verb

take in or soak up (energy or a liquid or other substance) by chemical or physical action.

Verb

make (something) impure by exposure to or addition of a poisonous or polluting substance.

Verb

allow or enable to escape from confinement; set free.

allow (something) to move, act, or flow freely.