noun, noun which may take the genitive case particle 'no'
expectoration; removal of phlegm
Medical term for the act of coughing up and spitting out phlegm from the respiratory tract. Often used in compound words like 去痰薬 (expectorant medicine).
This medicine has an expectorant effect.
To promote expectoration, please drink plenty of fluids.
expectorant
Compound of 去 (removal) and 痰 (phlegm). The exact historical derivation is uncertain, but the term is used in modern medical Japanese.