SINCE 1828
dictionary
thesaurus

prothallial

adjective
Save Word
pro·​thal·​li·​al | \ (ˈ)prō¦thalēəl \
variants: or less commonly prothalline \ (ˈ)prō+ \

Definition of prothallial

: of or relating to a prothallium

History and Etymology for prothallial

New Latin prothallium + English -al or -ine

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!

Learn More About prothallial

Dictionary Entries Near prothallial

prothalamion

prothallial

prothallial cell

See More Nearby Entries 

Statistics for prothallial

Cite this Entry

“Prothallial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prothallial. Accessed 3 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

languid

Listen to the pronunciation of languid

See Definitions and Examples »

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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