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anesthesia

From Wiktionary, the free dictionary
See also: anesthésia

English

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English Wikipedia has an article on:
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Alternative forms

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Etymology

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Sense of “insensibility” attested since 1679, from New Latin anaesthēsia, from Ancient Greek ἀναισθησία (anaisthēsía, “without sensation”), from ἀν- (an-, “not”) and αἴσθησις (aísthēsis, “sensation”).[1] By surface analysis, an- +‎ -esthesia.

Sense of “state induced by an agent” attested since 1846.[1]

Pronunciation

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Noun

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anesthesia (countable and uncountable, plural anesthesias)

  1. (medicine, American spelling, Canadian spelling) An artificial method of preventing sensation, used to eliminate pain without causing loss of vital functions, by the administration of one or more agents which block pain impulses before transmitted to the brain.
    Hyponyms: general anesthesia, local anesthesia, twilight anesthesia
    Coordinate term: analgesia
  2. (American spelling) The loss or prevention of sensation, as caused by anesthesia (in the above sense), or by a lesion in the nervous system, or by another physical abnormality.
    Antonym: aesthesia
  3. (loosely, metonymically, often proscribed) A medication that provides the service of temporarily blocking sensation.
    Synonym: anesthetic
    Coordinate terms: analgesic; analgesia (likewise proscribed in such metonymic usage)

Derived terms

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Translations

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References

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  1. ↑ 1.0 1.1 Haridas, Rajesh P. (2017). “Earliest English Definitions of Anaisthesia and Anaesthesia”. Anesthesiology. 127 (5): 747–753. doi:10.1097/ALN.0000000000001764.

Further reading

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Anagrams

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