D defs.my
Entry 1 sense Webster, 1913

Hypergol

/(hī"pẽr*gŏ)/ · Hy·per·gol · IPA
01 a. A substance which can form one of a pair of hypergolic substances. See hypergolic.
  1. 1.
    A substance which can form one of a pair of hypergolic substances. See hypergolic.(Rocketry) See: hypergolic