ANAESTHETIC

[an-uhs-thee-zhuh] Origin

an·aes·the·sia

[an-uhs-thee-zhuh]
noun Medicine/Medical, Pathology.
an·aes·thet·ic [an-uhs-thet-ik] , adjective, noun
an·aes·the·tist [uh-nes-thi-tist or, especially Brit., uh-nees-] , noun
sem·i·an·aes·thet·ic, adjective

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Anaesthetic is always a great word to know.
So is quincunx. Does it mean:
a scrap or morsel of food left at a meal.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Dictionary.com Unabridged

an·es·thet·ic

[an-uhs-thet-ik]
noun
1.
a substance that produces anesthesia, as halothane, procaine, or ether.
adjective
2.
pertaining to or causing physical insensibility: an anesthetic gas.
3.
physically insensitive: Halothane is used to produce an anesthetic state.
Also, anaesthetic.


Origin:
1840–50, Americanism; < Greek anaísthēt(os) without feeling, senseless + -ic; see an-1, esthetic

an·es·thet·i·cal·ly, adverb
non·an·es·thet·ic, adjective, noun
post·an·es·thet·ic, adjective
sem·i·an·es·thet·ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
anaesthetic or (US) anesthetic (ˌænɪsˈθɛtɪk)
 
n
1.  a substance that causes anaesthesia
 
adj
2.  causing or characterized by anaesthesia
 
anesthetic or (US) anesthetic
 
n
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

anaesthetic
1846, "insensible," from Gk. anaisthetos "without feeling" (see anaesthesia). Noun meaning "agent that produces anesthesia" first used in modern sense 1848 by professor James Young Simpson (1811-1870), discoverer of chloroform.
Online Etymology Dictionary, © 2010 Douglas Harper
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