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 (ə-gyo͞o′zē-ə, -zhē-ə, -zhə)
Loss of the sense of taste.

[New Latin : Greek a-, without; see a-1 + geusis, sense of taste (from geuesthai, to taste; see geus- in Indo-European roots).]

a·geu′sic (-zĭk, -sĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Medicine) pathol lack of the sense of taste
[C20: from a-1 + Greek geusis taste]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


the partial or complete loss of the sense of taste. Also ageustia.
See also: Disease and Illness
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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References in periodicals archive ?
Loss of taste or ageusia - the ability to detect the five basic tastes of sweetness, sourness, saltiness, bitterness and savouriness (umami) - is much rarer than loss of smell, but can reduce with age or as a result of neurological conditions such as stroke or epilepsy, reduced saliva flow and zinc deficiency, explains Dr Sarah Brewer.
The observed adverse events were described previously and are known to be attributable to IL-2 and not TILs: asthenia for 6, anorexia for 3, myalgias for 2, nausea for 2, and, for 1 each thrombocytopenia, vomiting, ageusia, pruritus, cutaneous rash, flu-like syndrome, or chills.
Moreover, there were no other symptoms of cranial nerve palsy, such as ageusia, facial palsy, reduced facial sensation, loss of gag reflex, and uvular deviation.
Sabe-se que os procedimentos adotados para o tratamento especifico do cancer de boca podem causar efeitos indesejaveis e/ou irreversiveis ao sistema estomatognatico, tais como xerostomia, fibrose dos tecidos irradiados, necrose de tecido osseo ou cartilagineo, perda de dentes, trismo, disfagia, disfonia, alteracao na articulacao da fala, ageusia ou hipogeusia e caries, comprometendo as funcoes de fonoarticulacao e dificuldades de degluticao de saliva e alimentos (19,21,26).
The medical condition ageusia affects which of the senses?
Major complications of the condition are chronic loss of taste (ageusia), chronic facial spasms, facial pain and corneal infections.
Ageusia is a rare side effect of terbinafine that occurs in 0.6% to 2.8% of patients taking the drug.
Then there is hypogeusia, where the ability to taste itself is reduced and ageusia, which is the complete inability to taste.
(2002) A new specific ageusia some humans cannot taste L-glutamate.