any single-celled freshwater algae of the family Desmidiaceae, characterized by a division of the body into mirror-image halves joined by a bridge containing the nucleus, and having a spiny or bristly exterior: sometimes forming into colonies or branching filaments.

Origin of desmid

1860–65; < New Latin Desmidium a genus of the family < Greek desm(ós) a band, chain (compare deîn to fasten) + New Latin -idium -idium
Related formsdes·mid·i·an, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for desmid

Historical Examples of desmid

  • The Desmid has a coat of cellulose, and a less graceful coat of cellulose encloses the Peridinean.

British Dictionary definitions for desmid



any freshwater green alga of the mainly unicellular family Desmidioideae, typically constricted into two symmetrical halves
Derived Formsdesmidian, adjective

Word Origin for desmid

C19: from New Latin Desmidium (genus name), from Greek desmos bond, from dein to bind
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