cocaine

[koh-keyn, koh-keyn]
noun Pharmacology.
a bitter, crystalline alkaloid, C 17 H 21 NO 4 , obtained from coca leaves, used as a local anesthetic and also widely used as an illicit drug for its stimulant and euphorigenic properties.

Origin:
1870–75; coca + -ine1

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World English Dictionary
cocaine or cocain (kəˈkeɪn)
 
n
an addictive narcotic drug derived from coca leaves or synthesized, used medicinally as a topical anaesthetic. Formula: C17H21NO4
 
[C19: from coca + -ine1]
 
cocain or cocain
 
n
 
[C19: from coca + -ine1]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

cocaine
1874, from Fr. cocaine (1856), coined by Albert Niemann of Gottingen University from coca (from Quechua cuca) + -ine, arbitrary use of L. -inus, -ina for noun ending. A medical coinage, the drug was used 1870s as a local anaesthetic for eye surgery, etc.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

cocaine co·caine (kō-kān', kō'kān')
n.
A colorless or white crystalline alkaloid extracted from coca leaves, sometimes used as a local anesthetic especially for the eyes, nose, or throat and widely used as an illicit drug for its euphoric and stimulating effects.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
cocaine   (kō-kān')  Pronunciation Key 
A colorless or white crystalline alkaloid extracted from coca leaves. Cocaine is sometimes used in medicine as a local anesthetic, especially for the eyes, nose, or throat. It is also widely used as an illicit drug for its euphoric and stimulating effects. Chemical formula: C17H21NO4.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

cocaine definition


A drug derived from the leaves of a shrub in South America that has an intoxicating effect on the body and can result in dependency if frequently used. Cocaine is used medically as a local anesthetic.

Note: Cocaine use constitutes a major drug problem in the United States.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences for cocaine
He rarely sleeps and, rather than cocaine, seems to have an addiction to sugar.
They are traditionally chewed with lime to increase the release of cocaine from
  the leaf.
Since overcoming his cocaine addiction, he has become a tv host in argentina.
Soon after retiring, duper was charged with conspiracy and intent to distribute
  cocaine.
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