Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

epivalve

noun
epi·valve | \ ˈepə̇ , ˈepē+ˌ- \

Definition of epivalve 

1 : the apical half of the shell of certain dinoflagellates

2 : the epitheca of a diatom

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 epivalve

epi- + valve

Keep scrolling for more

Learn More about epivalve

Dictionary Entries near epivalve

epiural

epivag

epivaginitis

epivalve

epixylous

epizeuxis

Epizoanthus

Statistics for epivalve

Look-up Popularity

Comments on epivalve

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

Show Comments  Hide Comments 

WORD OF THE DAY

biannual

occurring twice a year or every two years

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

  • alt-573b465788319
  • Name these cookies!
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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