vinylidene chloride

[ vahy-nil-i-deen ]
/ vaɪˈnɪl ɪˌdin /

noun Chemistry.

a colorless, volatile, flammable liquid, C2H2Cl, that is copolymerized chiefly with vinyl chloride to form saran.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019