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chemical

chem·i·cal [ kémmik'l ]


adjective 
Definition:
 
1. relating to chemistry: produced by or involved in the processes of chemistry

2. composed of chemical substances: composed of or involving the use of substances produced by the process of chemistry



noun  (plural chem·i·cals)
Definition:
 
substance used or made by chemistry: a substance used in or produced by the processes of chemistry. A chemical has a defined atomic or molecular structure that results from, or takes part in, reactions involving changes in its structure, composition, and properties.

[Late 16th century. < modern Latin chimicus "alchemist," shortening of medieval Latin alchimicus< alchimia (see alchemy)]

chem·i·cal·ly adverb
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