society > armed hostility > military equipment > weapon > missile > ammunition for firearms > [noun] > explosive for use with firearms > grain of (3)
spec. One of the roundish particles into which gunpowder is formed by the corning or granulating process; a grain of corn-powder. Obsolete. Cf. corn…
spec. Of gunpowder: a particle of definite size, varying according to requirements. (Also poetic in collective sense.) Also attributive in large grain…