تلفظ بین المللی : /tˈɛtɹeɪspələs/ تلفظ : [t'EtreIsp@l@s]
English
Having four sepals.
1. (Bot.) An unfertilized, rounded mass of protoplasm, produced in an oögonium. Note: After being fertilized by the access of antherozoids it becomes covered with a cell wall and develops into an oöspore, which may grow into a new plant like the parent. 2. (Bot.) An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle. Goodale....
