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Webster 1913 Edition
Nostoc
Nos′toc
,p
rop.
Noun.
[F.]
(Bot.)
A genus of algae. The plants are composed of moniliform cells imbedded in a gelatinous substance.
☞
Nostoc commune
is found on the ground, and is ordinarily not seen; but after a rain it swells up into a conspicuous jellylike mass, which was formerly supposed to have fallen from the sky, whence the popular names, fallen star
and star jelly
. Also called witches’ butter
. Definition 2024
nostoc
nostoc
See also: Nostoc
English
Noun
nostoc (plural nostocs)
- Any member of the genus Nostoc of cyanobacteria, found in a variety of environmental niches, that form colonies composed of filaments of moniliform cells in a gelatinous sheath.