English > chemical: 3 senses > noun 1, substance| Meaning | Material produced by or used in a reaction involving changes in atoms or molecules. |
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| Synonym | chemical substance |
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| Narrower | Alar, daminozide | A chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time |
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| bactericide, bacteriacide | Any chemical agent that destroys bacteria |
| carbon tetrahalide | compounds composed of 1 carbon and 4 halogen molecules |
| 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 |
| compound, chemical 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 |
| explosive | A chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck |
| fertilizer, fertiliser, 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 |
| fraction | A component of a mixture that has been separated by a fractional process |
| fumigant | A chemical substance used in fumigation |
| herbicide, weedkiller, weed killer | A chemical agent that destroys plants or inhibits their growth |
| intermediate | A substance formed during a chemical process before the desired product is obtained |
| 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 |
| reactant | A chemical substance that is present at the start of a chemical reaction |
| restrainer | A chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film |
| softener | A substance added to another to make it less hard |
| soil conditioner | A chemical substance used to improve the structure of the soil and increase its porosity |
| stabilizer | A chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state |
| Broader | material, stuff | The tangible / tangible substance that goes into the makeup of a physical object |
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| Spanish | producto químico, químico, sustancia química |
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| Catalan | producte químic, substància química |
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| Adjectives | chemical | of or made from or using substances produced by or used in reactions involving atomic or molecular changes |
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| pyrochemical | of or relating to or produced by chemical reactions at high temperatures |
