Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Synedra

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

Definition of Synedra

: 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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Synedra

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

Keep scrolling for more

Learn More about Synedra

Statistics for Synedra

Look-up Popularity

Comments on Synedra

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

Show Comments  Hide Comments 

WORD OF THE DAY

scavenger

Listen to the pronounciation of scavenger

one that collects or salvages junk

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games