Definition of pyroglycerin in English:

pyroglycerin

(also pyroglycerine)

noun

Chemistry
  • Nitroglycerine. Now historical.

Origin

Mid 19th century. From pyro- + glycerine.

Pronunciation

pyroglycerin

/ˌpʌɪrə(ʊ)ˈɡlɪs(ə)rɪn/