Synonyms and antonyms of Types of chemical substance in American Thesaurus

acid (noun)

chemistry a chemical substance with a pH value (=a measure used in chemistry) of less than 7

agrochemical (noun)

a chemical used in farming, for example a fertilizer

alkali (noun)

a chemical substance with a pH value (=a measure used in chemistry) of more than 7

base (noun)

chemistry a chemical substance that turns red litmus paper blue. All alkalis are bases.

carboniferous (adjective)

producing or containing carbon or coal

catalyst (noun)

chemistry a substance that causes a chemical reaction to happen more quickly but is not affected itself. An enzyme is a type of catalyst.

chemical (noun)

a substance used in chemistry or produced by a process involving chemistry

chloride (noun)

a chemical that consists partly of chlorine, usually with one other element

compound (noun)

chemistry a chemical substance that consists of two or more elements that together form a molecule. Each different compound has a fixed ratio of elements. For example the water compound (H2O) consists of two hydrogen atoms and one oxygen atom

element (noun)

chemistry a substance that consists of only one type of atom

enzyme (noun)

a natural chemical produced by animal and plant cells that helps reactions and other processes to start

excipient (noun)

an inactive substance that is used as the medium for an active substance such as a drug

hallucinogen (noun)

a substance, especially a drug such as LSD, that causes someone to hallucinate

hydrate (noun)

a chemical compound containing water

hydrocarbon (noun)

a chemical substance that contains only hydrogen and carbon, for example methane

isotope (noun)

one of the forms of a chemical element that have the same atomic number because they have the same number of protons, but have a different number of neutrons, and therefore have a different mass

metalloid (noun)

a chemical element such as silicon that is not a metal but that has some of the qualities that a metal has

mixture (noun)

chemistry a substance consisting of different substances that combine without a chemical reaction

monoxide (noun)

a chemical containing one atom of oxygen in each molecule

non-metal (noun)

a chemical element that is not a metal, for example carbon or oxygen. Non-metals are solids and gases and are not good conductors of heat and electricity.

oxide (noun)

a chemical that consists of oxygen combined with another substance

petrochemical (noun)

a chemical made from petroleum or natural gas

polymer (noun)

a natural or artificially produced chemical substance consisting of large molecules made of many groups of smaller ones

protease (noun)

an enzyme that helps the body to change protein into the substances that it needs

reactant (noun)

a substance that reacts with another in a chemical reaction

salt (noun)

chemistry a chemical substance formed from an acid

semimetal (noun)

a chemical element such as silicon that is not a metal but has some of the qualities that a metal has

silicate (noun)

a substance made from silica mixed with another substance

solute (noun)

a substance that has dissolved in a solvent and become part of the liquid so that they form a solution

solvent (noun)

a liquid that has a solid substance dissolved in it so that it has become part of the liquid

substrate (noun)

chemistry a substance on which a catalyst or enzyme has a particular effect

sulfate (noun)

a salt (=chemical substance) produced from sulfuric acid

sulfide (noun)

a mixture of sulfur and another chemical element

toxin (noun)

a poisonous substance that causes disease