Chemical is defined as something relating to chemistry or the use of a drug.(adjective)
The definition of a chemical is a substance created by chemistry.(noun)
An example of chemical is a pesticide.
See chemical in Webster's New World College Dictionary
Origin: chemic + -al
See chemical in American Heritage Dictionary 4
Origin: Obsolete chimical
Origin: , from chimic, alchemist
Origin: , from New Latin chimicus
Origin: , from Medieval Latin alchimicus
Origin: , from alchymia, alchemy; see alchemy.
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