brachy·​meiosis | \ ¦brakē + \

Definition of brachymeiosis

: a second reduction division following the usual two meiotic divisions reputed to occur in the ascus of certain fungi also : the entire meiotic process when involving double reduction that has been suggested as an explanation of the restoration of the haploid condition in fungi in which double fertilization has produced a tetraploid primary ascus nucleus

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 brachymeiosis

New Latin, from brachy- + meiosis

Keep scrolling for more

Learn More about brachymeiosis

Statistics for brachymeiosis

Cite this Entry

“Brachymeiosis.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on brachymeiosis

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


Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

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