achlor·​hy·​dria ˌā-ˌklȯr-ˈhī-drē-ə How to pronounce achlorhydria (audio)
: absence of hydrochloric acid from the gastric juice
achlorhydric adjective

Word History


probably borrowed from French achlorhydrie, from a- a- entry 2 + (acide) chlorhydr(ique) "hydrochloric acid" (from chlore "chlorine"—borrowed from Greek chlōrós "greenish-yellow"— + hydr- hydr- + -ique -ic entry 1) + -ie -ia entry 1 — more at yellow entry 1

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of achlorhydria was in 1892

Dictionary Entries Near achlorhydria

Cite this Entry

“Achlorhydria.” Dictionary, Merriam-Webster, Accessed 21 Feb. 2024.

Medical Definition


: absence of hydrochloric acid from the gastric juice compare hyperchlorhydria, hypochlorhydria
achlorhydric adjective
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