- A freshwater blue-green alga of the genus Nostoc, forming spherical colonies of filaments embedded in a gelatinous substance.
- A plant associated with the genus Nostoc.
- A genus of fresh-water algæ from the Cryptophyceæ or Cyanophyceæ, the cheapest number of algæ, and typical of this family Nostocaceæ and subclass Nostochineæ.
- present in moist places as rounded jellylike colonies
Sentence for "nostoc"
- Dr. Edwards writes of the substance…
Hypernym for "nostoc"