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anaesthetics

 [an-uhs-thee-zhuh]   Origin

an·aes·the·sia

   [an-uhs-thee-zhuh]
noun Medicine/Medical, Pathology.
anesthesia.
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Related forms
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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So is callithumpian. Does it mean:
a fool or simpleton; ninny.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
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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

Related forms
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
anaesthetics (ˌænɪsˈθɛtɪks)
 
—n
(functioning as singular) US name: anesthesiology the science, study, and practice of anaesthesia and its application

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

anaesthesia
1721, "loss of feeling," Mod.L., from Gk. anaisthesia "lack of sensation," from an- "without" + aisthesis "feeling," from PIE base *au- "to perceive" (see audience).
EXPAND

anesthetic
alt. spelling of anaesthetic (q.v.). See ae.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

anesthetic an·es·thet·ic (ān'ĭs-thět'ĭk)
n.
An agent that reversibly depresses neuronal function, producing total or partial loss of sensation. adj.

  1. Characterized by the loss of sensation.

  2. Capable of producing a loss of sensation.

  3. Associated with or due to the state of anesthesia.

an'es·thet'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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American Heritage
Science Dictionary
anesthetic   (ān'ĭs-thět'ĭk)  Pronunciation Key 
A drug that temporarily depresses neuronal function, producing total or partial loss of sensation with or without the loss of consciousness.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
anesthetic [(an-is-thet-ik)]

A substance that causes loss of sensation or consciousness. With the aid of an anesthetic, people can undergo surgery without pain. (See general anesthetic and local anesthetic.)

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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