fulminic acid: (CNOH) an unstable acid occurring mainly in the form of explosive salts and esters that is isomeric with cyanic acid
matter: that which has mass and occupies space
ergonovine: an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot; induces muscular contraction of the uterus and is administered after childbirth or abortion