Relating to chemistry.
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chem·i·cal 'kem-i-kəl adj
1) of, relating to, used in, or produced by chemistry
2 a) acting or operated or produced by chemicals
b) detectable by chemical means
chem·i·cal·ly -i-k(ə-)lē adv
chemical n
1) a substance (as an element or chemical compound) obtained by a chemical process or used for producing a chemical effect
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chem·i·cal (kemґĭ-kəl) 1. of or pertaining to chemistry. 2. a substance composed of chemical elements, or obtained by chemical processes.Medical dictionary. 2011.