| 释义 |
discolith Biol.|ˈdɪskəʊlɪθ|
[f. disco- + -lith.]
A kind of coccolith of the form of a flattened disc. (Cf. cyatholith.)
1875Carpenter Microsc. & Rev. §367 Two distinct types are recognizable among the Coccoliths, which Prof. Huxley has designated respectively discoliths and cyatholiths. 1883J. H. Wright Sci. Dogmatism 8 This jelly [Bathybius].. forming deposits thirty feet thick, with..imbedded granules, coccoliths, discoliths [etc.]. 1883Syd. Soc. Lex., Discolith, flattened or concavo-convex circular coccoliths found in the ooze brought up in deep-sea dredgings. |