Dy·na·mite n. Chem. An explosive substance consisting of nitroglycerin absorbed by some inert, porous solid, as infusorial earth, sawdust, etc. It is safer than nitroglycerin, being less liable to explosion from moderate shocks, or from spontaneous decomposition.
n : an explosive containing nitrate sensitized with
nitroglycerin absorbed on wood pulp
v : blow up with dynamite; "The rock was dynamited"