anesthetic

or an·aes·thet·ic

[ an-uh s-thet-ik ]
/ ˌæn əsˈθɛt ɪk /

noun

a substance that produces anesthesia, as halothane, procaine, or ether.

adjective

pertaining to or causing physical insensibility: an anesthetic gas.
physically insensitive: Halothane is used to produce an anesthetic state.

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

Definition for anaesthetic (2 of 2)

anaesthesia

[ an-uh s-thee-zhuh ]
/ ˌæn əsˈθi ʒə /

noun Medicine/Medical, Pathology.

Related formsan·aes·thet·ic [an-uh s-thet-ik] /ˌæn əsˈθɛt ɪk/, adjective, nounan·aes·the·tist [uh-nes-thi-tist or, esp. British, uh-nees-] /əˈnɛs θɪ tɪst or, esp. British, əˈnis-/, nounsem·i·an·aes·thet·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for anaesthetic

British Dictionary definitions for anaesthetic (1 of 3)

anaesthetic

US anesthetic

/ (ˌænɪsˈθɛtɪk) /

noun

a substance that causes anaesthesia

adjective

causing or characterized by anaesthesia

British Dictionary definitions for anaesthetic (2 of 3)

anesthetic

/ (ˌænɪsˈθɛtɪk) /

noun, adjective

the usual US spelling of anaesthetic

British Dictionary definitions for anaesthetic (3 of 3)

anaesthesia

US anesthesia

/ (ˌænɪsˈθiːzɪə) /

noun

local or general loss of bodily sensation, esp of touch, as the result of nerve damage or other abnormality
loss of sensation, esp of pain, induced by drugs: called general anaesthesia when consciousness is lost and local anaesthesia when only a specific area of the body is involved
a general dullness or lack of feeling

Word Origin for anaesthesia

C19: from New Latin, from Greek anaisthēsia absence of sensation, from an- + aisthēsis feeling
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

Medicine definitions for anaesthetic

anesthetic

[ ăn′ĭs-thĕtĭk ]

n.

An agent that reversibly depresses neuronal function, producing total or partial loss of sensation.

adj.

Characterized by the loss of sensation.
Capable of producing a loss of sensation.
Associated with or due to the state of anesthesia.
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.

Science definitions for anaesthetic

anesthetic

[ ăn′ĭs-thĕtĭk ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for anaesthetic

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 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.