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chemical

[kem-i-kuh l] /ˈkɛm ɪ kəl/
noun
1.
a substance produced by or used in a chemical process.
2.
chemicals, Slang. narcotic or mind-altering drugs or substances.
adjective
3.
of, used in, produced by, or concerned with chemistry or chemicals:
a chemical formula; chemical agents.
4.
used in chemical warfare:
chemical weapons.
Origin
1570-1580
1570-80; chemic + -al1; replacing chimical chemic
Related forms
chemically, adverb
nonchemical, adjective, noun
prechemical, adjective
pseudochemical, adjective
semichemical, adjective
semichemically, adverb
superchemical, adjective, noun
superchemically, adverb
unchemical, adjective
unchemically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for chemically
  • This experiment intended to show that memory could perhaps be transferred chemically.
  • It is extracted from the pancreas of pigs and converted to human insulin chemically.
  • These carbides are chemically quite inert, have metallic properties and are refractory.
  • chemically, carotene is a terpene, synthesized biochemically from eight isoprene units.
  • Copolymerization refers to methods used to chemically synthesize a copolymer.
  • chemically, it is a corticosteroid closely related to corticosterone.
British Dictionary definitions for chemically

chemical

/ˈkɛmɪkəl/
noun
1.
any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use
adjective
2.
of or used in chemistry chemical balance
3.
of, made from, or using chemicals chemical fertilizer
Derived Forms
chemically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for chemically
chemical
1576, from chemic "of alchemy" (a worn-down derivative of M.L. alchimicus; see alchemy) + -al (1).
Online Etymology Dictionary, © 2010 Douglas Harper
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chemically in Medicine

chemical chem·i·cal (kěm'ĭ-kəl)
adj.
Abbr. chem.

  1. Of or relating to chemistry.

  2. Of or relating to the properties or actions of chemicals.

n.
  1. A substance with a distinct molecular composition that is produced by or used in a chemical process.

  2. A drug, especially an illicit or addictive one.


chem'i·cal·ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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chemically in Science
chemical
  (kěm'ĭ-kəl)   
Adjective  Relating to or produced by means of chemistry.

Noun  A substance having a specific molecular composition, obtained by or used in a chemical process.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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