D defs.my
Entry 1 sense Webster, 1913

Rackarock

/(răk"ȧ*rŏk`)/ · Rack·a·rock · IPA
01 n. A Sprengel explosive consisting of potassium chlorate and mono-nitrobenzene.
  1. 1.
    A Sprengel explosive consisting of potassium chlorate and mono-nitrobenzene.