D defs.my
Entry 1 sense Webster, 1913

Propiolic

· Pro·pi·ol·ic · IPA
01 a. Pertaining to, or designating, an organic acid (called also propargylic acid) of the acetylene or tetrolic series, analogous to propionic a…
  1. 1.
    Pertaining to, or designating, an organic acid (called also propargylic acid) of the acetylene or tetrolic series, analogous to propionic acid, and obtained as a white crystalline substance.(Chem.)