Definition of spore

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Spore (n.) A minute grain or germ; a small, round or ovoid body, formed in certain organisms, and by germination giving rise to a new organism; as, the reproductive spores of bacteria, etc..

Lern More About Spore

Ascospore :: Ascospore (n.) One of the spores contained in the asci of lichens and fungi. [See Illust. of Ascus..
Rhodosperm :: Rhodosperm (n.) Any seaweed with red spores.
Isosporic :: Isosporic (a.) Producing but one kind of spore, as the ferns and Equiseta. Cf. Heterosporic..
Sporification :: Sporiferous (a.) Bearing or producing spores.
Hyphomycetes :: Hyphomycetes (n. pl.) One of the great division of fungi, containing those species which have naked spores borne on free or only fasciculate threads..
Vegetable :: Vegetable (v.) Plants without true flowers, and reproduced by minute spores of various kinds, or by simple cell division..
Bacterium :: Bacterium (n.) A microscopic vegetable organism, belonging to the class Algae, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions. Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms. They are very widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores. Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases. See Bacillus
Phaeospore :: Phaeospore (n.) A brownish zoospore, characteristic of an order (Phaeosporeae) of dark green or olive-colored algae..
Blastophore :: Blastophore (n.) That portion of the spermatospore which is not converted into spermatoblasts, but carries them..
Elater :: Elater (n.) An elastic spiral filament for dispersing the spores, as in some liverworts..
Zygospore :: Zygospore (n.) Same as Zygosperm.
Fructification :: Fructification (n.) The collective organs by which a plant produces its fruit, or seeds, or reproductive spores..
Seirospore :: Seirospore (n.) One of several spores arranged in a chain as in certain algae of the genus Callithamnion.
Zygospore :: Zygospore (n.) A spore formed by the union of several zoospores; -- called also zygozoospore.
Sterlet :: Sterilize (v. t.) To destroy all spores or germs in (an organic fluid or mixture), as by heat, so as to prevent the development of bacterial or other organisms..
Macro- :: Macro- () A combining form signifying long, large, great; as macrodiagonal, macrospore..
Cystocarp :: Cystocarp (n.) A minute vesicle in a red seaweed, which contains the reproductive spores..
Prothallus :: Prothallus (n.) The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the oophoric generation of ferns, etc..
Spore :: Sporangium (n.) A spore case in the cryptogamous plants, as in ferns, etc..
Oospore :: Oospore (n.) A special kind of spore resulting from the fertilization of an oosphere by antherozoids.