释义 |
biˈconical, a. [f. bi-2 + conical a.] Similar in shape to two cones placed base to base. Hence biconically adv.
1870Rolleston Anim. Life Introd. 71 The biconical cavity thus formed. 1875Encycl. Brit. III. 775/1 Eggs of the Grebes..which also have both ends nearly alike but pointed, are so wide in the middle as to present a biconical appearance. 1881Jrnl. Linn. Soc. XV. No. 87. 390 Shell..biconically fusiform. 1928V. G. Childe Most Anc. East viii. 191 Biconical faceted beads. 1963H. N. Savory in Foster & Alcock Culture & Environment iii. 42 The biconical Cinerary Urn of Hilversum affinity which accompanied the primary burial in the round cairn. |