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8 dictionary results for: chemical
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
chem·i·cal       [kem-i-kuhl] Pronunciation Key
–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: 1570–80; chemic + -al1; r. chimical chemic]

—Related forms
chem·i·cal·ly, adverb
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
chem·i·cal       (kěm'ĭ-kəl)  Pronunciation Key 
adj.  
  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.


[Obsolete chimical, from chimic, alchemist, from New Latin chimicus, from Medieval Latin alchimicus, from alchymia, alchemy; see alchemy.]

chem'i·cal·ly adv.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Online Etymology Dictionary - Cite This Source - Share This
chemical 
1576, from chemic "of alchemy" (a worn-down derivative of M.L. alchimicus) + -al suffix forming adjectives (see alchemy). Chemist (1562) was originally "alchemist;" in scientific sense 1626; in Britain, the preferred term for "dealer in medicinal drugs," first recorded in this sense 1802.

Online Etymology Dictionary, © 2001 Douglas Harper
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WordNet - Cite This Source - Share This
chemical

adjective
1. relating to or used in chemistry; "chemical engineer"; "chemical balance" 
2. of or made from or using substances produced by or used in reactions involving atomic or molecular changes; "chemical fertilizer" 

noun
1. material produced by or used in a reaction involving changes in atoms or molecules 

WordNet® 3.0, © 2006 by Princeton University.
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The American Heritage Science Dictionary - Cite This Source - Share This
chemical       (kěm'ĭ-kəl)  Pronunciation Key 
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 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

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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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Chemical

Chem"ic*al\, a. Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations.

Chemical attraction or affinity. See under Attraction.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Chemical

Chem"ic*al\, n. A substance used for producing a chemical effect; a reagent.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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