conch61dal

[Eng. conchoid; -al.] Min.: Presenting a surface more or le like the surface of a shell. Used of the fracture of minerals when they so break as to present on one fragment a concave surface like that of the interior of a bivalve shell, and on the other a convex one, like its exte again perfectly, large, small, and flat conchoidal. There varieties of it-viz., imperfectly, and ( Phillips .) conch-ở-log-1-cal, a. [Gr. kongche = a shell- fish; logos a discourse; and Eng. suff. -ical (q. v.).] Chem.: Also called Quinidine, C20H24N2O2, organic base isomeric with quinine, occurring in cinchona-bark. It crystallizes in bitter colorle Relating to or in any way connected with conch- prisms, soluble in dilute sulphuric acid, the solution ology. showing blue fluorescence, and its alcoholic solution giving a green color with chlorine water and ammo- nia. conch-1-8-1ĩn, s. [Gr. kong chi on, dim of kongchè =a mu el or a cockle; i euphonic, and suff. in (Chem.).] IMG:content-0476.png:[blocks in formation] 2. Zool .: A name given to the carrier shells, from their often attaching shells to the margins of their whorls as they grow. ( Ogilvie .) , boy; pout, jowl; cat, cell, chorus, chin, bench; go, gem; thin, , . -tion, -sion conciliar