chemical substance


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Noun1.chemical substance - material produced by or used in a reaction involving changes in atoms or moleculeschemical substance - material produced by or used in a reaction involving changes in atoms or molecules
explosive - a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck
material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread"
reactant - a chemical substance that is present at the start of a chemical reaction
Alar, daminozide - a chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time
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
bacteriacide, bactericide - any chemical agent that destroys bacteria
carbon tetrahalide - compounds composed of 1 carbon and 4 halogen molecules
congener - a minor chemical constituent that gives a wine or liquor its distinctive character
chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
soil conditioner - a chemical substance used to improve the structure of the soil and increase its porosity; "gypsum can be used as a soil conditioner"
fertiliser, fertilizer, plant food - any substance such as manure or a mixture of nitrates used to make soil more fertile
flux - a substance added to molten metals to bond with impurities that can then be readily removed
fumigant - a chemical substance used in fumigation
herbicide, weed killer, weedkiller - a chemical agent that destroys plants or inhibits their growth
intermediate - a substance formed during a chemical process before the desired product is obtained
fraction - a component of a mixture that has been separated by a fractional process
larvicide - a chemical used to kill larval pests
pesticide - a chemical used to kill pests (as rodents or insects)
phytochemical - a chemical substance obtained from plants that is biologically active but not nutritive
product - a chemical substance formed as a result of a chemical reaction; "a product of lime and nitric acid"
restrainer - a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film
stabilizer - a chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state
softener - a substance added to another to make it less hard
References in classic literature ?
Every chemical substance, every plant, every animal in its growth, teaches the unity of cause, the variety of appearance.
The EPA announced 15 March 2010 it will now provide free online access to the Toxic Substances Control Act Chemical Substance Inventory, which provides data on thousands of industrial chemicals.
Sex-performance enhancing herbal drugs contain percentages of Sildenafil, a chemical substance used to treat erectile dysfunction and pulmonary arterial hypertension.
The Canadian Environmental Protection Act of 1999 requires every new chemical substance made in Canada or imported from other countries since 1994 be assessed against specific criteria.
The most immediate requirement of REACH is that all businesses producing any chemical substance above 1 tonne per annum must register it with the European Chemical Agency (ECHA).
All of the company's products are formulated from raw materials that comply with the chemical substance inventory lists of TOSCA, DSL, MITI, EINECS, Australia and Korea.
It is not yet known what caused the lorry, which was carrying containers of the chemical substance, to overturn.
5m said: "If the REACH legislation is enacted as proposed, every chemical substance we purchase will increase in cost by some 15%.
Toyo Boseki Kabushiki Kaisha (Osaka, Japan) has patented a method capable of simultaneous processing of plural test samples for the receptor binding property of a chemical substance, which does not require immobilization of the receptor or a special device, and a reagent to be used for this method.
Its raw materials comply with the chemical substance inventory lists of ToSCA, DSL, and MITI.
A potentially hazardous chemical substance was spilled on an expressway in Machida, western Tokyo, shortly before noon Tuesday when a truck tipped over near a toll gate, police and firefighters said.
It compares each fingerprint to known chemical substance patterns in a data library and either matches the fingerprint, or records the sample as a new pattern.

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