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hypogeusia
hypogeusia n. 
/ˌhʌɪpə(ʊ)ˈɡjuːsɪə/, /ˌhaɪpoʊˈɡ(j)usiə/, /ˌhaɪpəˈɡ(j)uʒə/, /ˌhaɪpoʊˈɡ(j)uʒə/, /ˌhaɪpəˈɡjuziə/, /ˌhaɪpoʊˈɡjuziə/ [Greek γεῦσις taste] Medicine diminished acuteness of the sense of taste.
Brit. /ˌhʌɪpə(ʊ)ˈɡjuːzɪə/
, /ˌhʌɪpə(ʊ)ˈɡjuːzɪə//ˌhʌɪpə(ʊ)ˈɡjuːsɪə/U.S. /ˌhaɪpəˈɡ(j)usiə/
, /ˌhaɪpəˈɡ(j)usiə//ˌhaɪpoʊˈɡ(j)usiə//ˌhaɪpəˈɡ(j)uʒə//ˌhaɪpoʊˈɡ(j)uʒə//ˌhaɪpəˈɡjuziə//ˌhaɪpoʊˈɡjuziə/ΘΚΠ
the world > physical sensation > taste and flavour > [noun] > sense of taste > diminished acuteness
hypogeusia1888
the world > health and disease > ill health > a disease > disordered taste, smell, or touch > [noun] > taste
ageustia1800
ageusia1817
parageusia1817
hypergeusia1855
hypogeusia1888
taste-blindness1934
1888 Encycl. Brit. XXIII. 80/2 Increase in the sense of taste is called hypergeusia, diminution of it hypogeusia, and entire loss ageusia.
1969 C. Pfaffmann Olfaction & Taste 578 Treatment with d-penicillamine had produced hypogeusia (a decrease in taste acuity).
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