echinus

/ih-kahy-nuhs/US // ɪˈkaɪ nəs //UK // (ɪˈkaɪnəs) //

鹰嘴豆,鹰钩鼻,鹰嘴兽,鹰嘴豆蔻

Definitions

n.名词 noun

1
plural e·chi·ni [ih-kahy-nahy]. /ɪˈkaɪ naɪ/.
- : any sea urchin of the genus Echinus.
- : Architecture. an ovolo molding, especially one having an outline with several radii or one carved with an egg-and-dart pattern.the prominent circular molding supporting the abacus of a Doric or Tuscan capital.Also called cymatium. the circular molding, usually carved with an egg-and-dart pattern, forming part of an Ionic capital between the volutes and under the balteus.

In Echinus, on the other hand, where the polar bodies are formed in the ovary, the male pronucleus is always small.
Echinus (e-kīnus), in architecture, the ovolo or quarter-round convex moulding, seen in capitals of the Doric order.
Boveri has crossed Echinus microtuberculatus with Sphaerechinus granularis.
Yet the echinus can have, at the best, none but the most distant genetic relationship with the Polyzoa.
The second class is that to which the sea-urchin, or Echinus, belongs, of which there are many genera and species.