endosperm nucleus

noun

Definition of endosperm nucleus

: the triploid nucleus formed in the embryo sac of a seed plant by fusion of a sperm nucleus with two polar nuclei or with a nucleus formed by the prior fusion of the polar nuclei

First Known Use of endosperm nucleus

circa 1902, in the meaning defined above

Keep scrolling for more

Learn More about endosperm nucleus

Statistics for endosperm nucleus

Look-up Popularity

Time Traveler for endosperm nucleus

The first known use of endosperm nucleus was circa 1902

See more words from the same year

Comments on endosperm nucleus

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

WORD OF THE DAY

incapable of being surmounted or overcome

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
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!