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Webster 1913 Edition

Noun.

[Gr.

ω,ὄν

an egg + [GREEK] a seed.]

(Bot.)

(a)

A special kind of spore resulting from the fertilization of an oosphere by antherozoids.

(b)

A fertilized oosphere in the ovule of a flowering plant.

See also: oöspore

oospore ‎(plural oospores)

(biology) A fertilized female zygote, having thick chitinous walls, that develops from a fertilized oosphere in some algae and fungi

oospore f