HyperDic: chemical_substance

English > 1 sense of the expression chemical substance:
NOUNsubstancechemical substance, chemicalmaterial produced by or used in a reaction involving changes in atoms or molecules
English > chemical substance: 1 sense > noun 1, substance
MeaningMaterial produced by or used in a reaction involving changes in atoms or molecules.
NarrowerAlar, daminozideA chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time
bactericide, bacteriacideAny chemical agent that destroys bacteria
carbon tetrahalidecompounds composed of 1 carbon and 4 halogen molecules
carrierAn inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction
compound, chemical compound(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
congenerA minor chemical constituent that gives a wine or liquor its distinctive character
explosiveA chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck
fertilizer, fertiliser, plant foodAny substance such as manure or a mixture of nitrates used to make soil more fertile
fluxA substance added to molten metals to bond with impurities that can then be readily removed
fractionA component of a mixture that has been separated by a fractional process
fumigantA chemical substance used in fumigation
herbicide, weedkiller, weed killerA chemical agent that destroys plants or inhibits their growth
intermediateA substance formed during a chemical process before the desired product is obtained
larvicideA chemical used to kill larval pests
pesticideA chemical used to kill pests (as rodents or insects)
phytochemicalA chemical substance obtained from plants that is biologically active but not nutritive
productA chemical substance formed as a result of a chemical reaction
reactantA chemical substance that is present at the start of a chemical reaction
restrainerA chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film
softenerA substance added to another to make it less hard
soil conditionerA chemical substance used to improve the structure of the soil and increase its porosity
stabilizerA chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state
Broadermaterial, stuffThe tangible / tangible substance that goes into the makeup of a physical object
Spanishproducto químico, químico, sustancia química
Catalanproducte químic, substància química

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