conchoidal

Tanımlar (İngilizce)

1. sıfat Of or pertaining to a conchoid; that may be defined as a conchoid.

   “c. 1695, Isaac Newton, 1976, D. T. Whiteside (editor), The Mathematical Papers of Isaac Newton, Volume 7: 1691-1695, page 621, […] a conchoidal hyperbola with an oval at its convexity.”

2. sıfat Irregular, with planar, concentric curves, similar to those on a mussel shell.

   “1821, Coal, entry in Andrew Ure, A Dictionary of Chemistry on the Basis of Mr Nicholson's, unnumbered page, It is distinguished by its splendent lustre and conchoidal fracture.”

3. sıfat That fractures with planar concentric curves (e.g., as flint, chert or obsidian).

   “1821, Focus of Philosophy, Science and Art, Volume 1, Issues 1-4, page 74, The customary transitions of pitchstone are, into Chalcedony, Chert, Semi-opal; also into a substance resembling conchoidal shining jasper, found in clay strata, entangled in trap, or volcanic rock; and lastly, into Trap.”