Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

autospore

noun
au·​to·​spore
plural -s

Definition of autospore

: one of the daughter cells formed by the internal division of a single cell especially in such unicellular algae as members of the order Chroococcales and duplicating in miniature the parent cell

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 autospore

aut- + -spore

Keep scrolling for more

Learn More about autospore

Share autospore

Statistics for autospore

Look-up Popularity

Comments on autospore

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

Show Comments  Hide Comments 

WORD OF THE DAY

hamartia

Listen to the pronounciation of hamartia

a flaw that causes the downfall of a hero

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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