microspore

noun mi·cro·spore \ ˈmī-krə-ˌspȯr \

Definition of microspore

:any of the spores in heterosporous plants that give rise to male gametophytes and are generally smaller than the megaspore

microsporous

play \ˌmī-krə-ˈspȯr-əs, mī-ˈkräs-pə-rəs\ adjective

Origin and Etymology of microspore

International Scientific Vocabulary


Medical Dictionary

microspore

noun mi·cro·spore \ ˈmī-krə-ˌspō(ə)r, -ˌspȯ(ə)r \

medical Definition of microspore

1 :any of the spores in heterosporous plants that give rise to male gametophytes and are generally smaller than the megaspore
2 :the smaller of two forms of spores produced by various protozoans (as radiolarians) — compare macrospore

Learn More about microspore


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

pleasing or sweet sound

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!