• synonyms


  1. any freshwater, blue-green alga of the genus Nostoc, often occurring in jellylike colonies in moist places.
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Origin of nostoc

From New Latin, dating back to 1640–50, coined by Paracelsus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for nostoc

Historical Examples of nostoc

  • Or we've arrived at one of the oldest of the exclusionists' conventions—or nostoc.

    The Book of the Damned

    Charles Fort

  • The alg referred to were according to Euler of the nostoc type.

  • A species of Nostoc is largely consumed in China as an ingredient in soup.

  • They are gelatinous, and have something of the appearance of Nostoc, in aspect as well as in minute structure.

  • The ventral surface bears flat scales in addition to the concave scales which, as mentioned above, are inhabited by Nostoc.

British Dictionary definitions for nostoc


  1. any cyanobacterium of the genus Nostoc, occurring in moist places as rounded colonies consisting of coiled filaments in a gelatinous substance
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Word Origin for nostoc

C17: New Latin, coined by Paracelsus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012