noun Syn·edra \sə̇ˈnēdrə, sə̇ˈned-, ˈsinəd-\

Definition of Synedra

  1. :  a large genus related to Fragilaria and comprising elongated linear or commonly needle-shaped solitary or loosely colonial diatoms that may cause earthy odors in water supplies

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of synedra

New Latin, from Greek synedros sitting together, from syn- + -edros (from hedra seat) — more at sit

Seen and Heard

What made you want to look up Synedra? Please tell us where you read or heard it (including the quote, if possible).


a trip made at another's expense

Get Word of the Day daily email!