any cephalopod mollusk of the extinct order Ammonoidea, from the Devonian to the Cretaceous periods, having a coiled, chambered shell.
Any of various extinct cephalopods of the subclass Ammonoidea living from the Devonian to the Cretaceous Periods. Ammonoids had a symmetrical, coiled, chambered shell with angular sutures between the chambers. They are closely related to the nautiloids, including the modern-day chambered nautilus.
decomposition in which ammonia is resolved into other compounds by being a source of H + and NH 2 . noun (chem) solvolysis in liquid ammonia ammonolysis am·mo·nol·y·sis (ām’ə-nŏl’ĭ-sĭs) n. The breaking of a chemical bond by ammonia during which an amino group is added at the point of breakage.
to subject to . to undergo .
living or growing in sand.
the material fired, scattered, dropped, or detonated from any weapon, as bombs or rockets, and especially shot, shrapnel, bullets, or shells fired by guns. the means of igniting or exploding such material, as primers, fuzes, and gunpowder. any material, means, weapons, etc., used in any conflict: a crude ammunition of stones. information, advice, or supplies […]