- egg urchin
- noun
: a globular thin-shelled sea urchin
Useful english dictionary. 2012.
egg urchin
Look at other dictionaries:
egg — egg1 eggless, adj. eggy, adj. /eg/, n. 1. the roundish reproductive body produced by the female of certain animals, as birds and most reptiles, consisting of an ovum and its envelope of albumen, jelly, membranes, egg case, or shell, according to… … Universalium
sea egg — noun : sea urchin; specifically : the bare test of a sea urchin from which the spines have fallen * * * sea egg noun A sea urchin • • • Main Entry: ↑sea * * * n. a sea urchin … Useful english dictionary
sea urchin — 1. any echinoderm of the class Echinoidea, having a somewhat globular or discoid form, and a shell composed of many calcareous plates covered with projecting spines. 2. a tall evergreen shrub or small tree, Hakea laurina, of Australia, having… … Universalium
Sea egg — (s[=e] [e^]g ). (Zo[ o]l.) A sea urchin. [1913 Webster] … The Collaborative International Dictionary of English
whore's egg — noun A sea urchin • • • Main Entry: ↑whore … Useful english dictionary
sea-egg — n. Sea urchin, sea hedgehog … New dictionary of synonyms
sea-urchin — n. Sea egg, sea hedgehog, echinus … New dictionary of synonyms
sea egg — /ˈsi ɛg/ (say see eg) noun a large sea urchin with a spherical brown test and short white spines; found in the West Indies …
fertilization — fertilizational, adj. /ferr tl euh zay sheuhn/, n. 1. an act, process, or instance of fertilizing. 2. the state of being fertilized. 3. Biol. a. the union of male and female gametic nuclei. b. fecundation or impregnation of animals or plants. 4.… … Universalium
Polyspermy — In biology, polyspermy describes an egg that has been fertilized by more than one sperm. Diploid organisms normally contain two copies of each chromosome, one from each parent. The cell resulting from polyspermy, on the other hand, contains three … Wikipedia
