acetaldehyde acetaldehyde /ˌæsɪˈtældəˌhaɪd/

noun

1. A colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs  ( acetaldehyde , ethanal )
   a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs