See also: Hct and hct English Noun HCT (uncountable) Abbreviation of hydrochlorothiazide. Abbreviation of hematocrit/haematocrit. Abbreviation of high capacity transport. Anagrams CHT, Cth., T. H. C., T.H.C., TCH, THC, tchWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads