OOSPHERE
oosphere
(noun) a gamete; used especially of lower plants
Source: WordNet® 3.1
Etymology
Noun
oosphere (plural oospheres)
(botany) A large nonmotile egg cell formed in an oogonium and ready for fertilization
Source: Wiktionary
O"ö*sphere, n. Etym: [Gr. sphere.]
1. (Bot.)
Definition: 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.)
Definition: An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle. Goodale.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
24 December 2024
INTUITIVELY
(adverb) in an intuitive manner; “inventors seem to have chosen intuitively a combination of explosive and aggressive sounds as warning signals to be used on automobiles”
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