Acroamatical :: Acroamatical (a.) Communicated orally; oral; -- applied to the esoteric teachings of Aristotle, those intended for his genuine disciples, in distinction from his exoteric doctrines, which were adapted to outsiders or the public generally. Hence: Abstruse; profound..
Amorphozoa :: Amorphozoa (n. pl.) Animals without a mouth or regular internal organs, as the sponges..
Anoa :: Anoa (n.) A small wild ox of Celebes (Anoa depressicornis), allied to the buffalo, but having long nearly straight horns..
Anthozoa :: Anthozoa (n. pl.) The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria..