the correct word is
Main Entry: achlor·hyd·ria
Pronunciation: \ˌā-ˌklȯr-ˈhi-drē-ə\
Function: noun
Etymology: New Latin, from a- + International Scientific Vocabulary chlor- + hydr- + New Latin -ia
Date: 1898
: absence of hydrochloric acid from the gastric juice
- achlor·hy·dric \-ˈhi-drik, -ˈhī-\ adjective