56idal

[ Gr.õon =an egg; Eng. suff. -oidal.] Resembling an egg; egg-shaped. ôokh, s. [East Ind.] The sugar-cane. ō-o-lite, s . [Pref. oö- , and Gr. lithos =a stone.] 1. Petrol.: A variety of limestone, composed of grains, like the roe of a fish, each of which has usually a small fragment of some organism or a grain of a mineral as a nucleus, around which concentric layers of calcareous matter have accumulated. [PISOLITE.) ( Lyell .) 2. Geol . & Paleont .: The term is not now gener ally petrological, but is chiefly chronological, being applied to a certain considerable portion of the Secondary period and to the strata then deposited. During the Oolitic period Europe was largely covered by the sea, hot enough to be studded in places with coral reefs and contain certain cephalopods like Ammonites and Belemnites. At inter Pathol.: A whitlow at the side of the finger-nail; vals muddy sediment so clouded the water as to paronychia.