Amphibole(n.) A common mineral embracing many varieties varying in color and in composition. It occurs in monoclinic crystals; also massive, generally with fibrous or columnar structure. The color varies from white to gray, green, brown, and black. It is a silicate of magnesium and calcium, with usually aluminium and iron. Some common varieties are tremolite, actinolite, asbestus, edenite, hornblende (the last name being also used as a general term for the whole species). Amphibole is a constituent of many crystalline rocks, as syenite, diorite, most varieties of trachyte, etc. See Hornblende.
Amphibolic(a.) Of or pertaining to amphiboly; ambiguous; equivocal.
Amphibolic(a.) Of or resembling the mineral amphibole.
Amphibolous(a.) Ambiguous; doubtful.
Amphibolous(a.) Capable of two meanings.

Words within amphibole