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CHEMICAL SUBSTANCE
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I. (noun)
Sense 1
Meaning:
Material produced by or used in a reaction involving changes in atoms or molecules
Synonyms:
chemical; chemical substance
Classified under:
Hypernyms ("chemical substance" is a kind of...):
material; stuff (the tangible substance that goes into the makeup of a physical object)
Hyponyms (each of the following is a kind of "chemical substance"):
softener (a substance added to another to make it less hard)
stabilizer (a chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state)
restrainer (a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film)
product (a chemical substance formed as a result of a chemical reaction)
phytochemical (a chemical substance obtained from plants that is biologically active but not nutritive)
pesticide (a chemical used to kill pests (as rodents or insects))
larvicide (a chemical used to kill larval pests)
fraction (a component of a mixture that has been separated by a fractional process)
intermediate (a substance formed during a chemical process before the desired product is obtained)
herbicide; weed killer; weedkiller (a chemical agent that destroys plants or inhibits their growth)
fumigant (a chemical substance used in fumigation)
flux (a substance added to molten metals to bond with impurities that can then be readily removed)
fertiliser; fertilizer; plant food (any substance such as manure or a mixture of nitrates used to make soil more fertile)
soil conditioner (a chemical substance used to improve the structure of the soil and increase its porosity)
chemical compound; compound ((chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight)
congener (a minor chemical constituent that gives a wine or liquor its distinctive character)
carbon tetrahalide (compounds composed of 1 carbon and 4 halogen molecules)
bacteriacide; bactericide (any chemical agent that destroys bacteria)
carrier (an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction)
Alar; daminozide (a chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time)
reactant (a chemical substance that is present at the start of a chemical reaction)
explosive (a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck)
Context examples:
A very poisonous chemical substance made from tar and also found in some plants and essential oils (scented liquid taken from plants).
(Carbolic acid, NCI Dictionary)
A chemical substance that contains aluminum sulfate and a second chemical, usually potassium sulfate.
(Alum, NCI Dictionary)
A biological or chemical substance that exerts toxic or pathologic effects on living entities.
(Biohazardous Substance, NCI Thesaurus)
Alkylating Activity in biological systems is typically a process of covalent bonding in which a chemical substance replaces hydrogen atom(s) in biologically active molecules with alkyl radical(s), hindering proper function.
(Alkylation Process, NCI Thesaurus)
A type of chemical substance made from alcohol.
(Aldehyde, NCI Dictionary)
Any chemical substance, biological agent or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest, including insects, plant pathogens, weeds, mollusks, birds, mammals, fish, nematodes (roundworms) and microbes that compete with humans for food, destroy property, spread or are a vector for disease or are a nuisance.
(Pesticide, NCI Thesaurus)
A chemical substance found in beer, wine, and liquor, and some medicines, mouthwashes, household products, and essential oils (scented liquid taken from plants).
(Alcohol, NCI Dictionary)
