say it: ik-SPAHY-ruh-taw-ree
expiratory is an adjective meaning "of or relating to the breathing out phase of respiration". It carries one recorded sense.
of or relating to the breathing out phase of respiration
Definitions, synonyms and semantic relations for expiratory come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.