acetometer

noun
ac·​e·​tom·​e·​ter | \ ˌas-ə-ˈtäm-ət-ər How to pronounce acetometer (audio) \
variants: also acetimeter \ -​ˈtim-​ How to pronounce acetimeter (audio) \

Medical Definition of acetometer

: an instrument for estimating the amount of acetic acid in a solution (as vinegar)