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anesthetic

or an·aes·thet·ic

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

1840–50, Americanism; < Greek anaísthēt(os) without feeling, senseless + -ic; see an-1, aesthetic
Related formsan·es·thet·i·cal·ly, adverbnon·an·es·thet·ic, adjective, nounpost·an·es·thet·ic, adjectivesem·i·an·es·thet·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for anesthetic

anesthetic

noun, adjective
  1. the usual US spelling of anaesthetic
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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

Word Origin and History for anesthetic

adj.

alternative spelling of anaesthetic (q.v.). See ae.

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Online Etymology Dictionary, © 2010 Douglas Harper

anesthetic in Medicine

anesthetic

(ăn′ĭs-thĕtĭk)
n.
  1. An agent that reversibly depresses neuronal function, producing total or partial loss of sensation.
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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.
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Related formsan′es•theti•cal•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

anesthetic in Science

anesthetic

[ăn′ĭs-thĕtĭk]
  1. A drug that temporarily depresses neuronal function, producing total or partial loss of sensation with or without the loss of consciousness.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anesthetic in Culture

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.)

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.