SINCE 1828

An Encyclopædia Britannica Company

agamospermy

play

noun aga·mo·sper·my \(ˌ)ā-ˈga-mə-ˌspər-mē, ˈa-gə-mō-ˌspər-\

Definition of agamospermy

: apogamy; specifically : apogamy in which sexual union is not completed and the embryo is produced from the innermost layer of the integument of the female gametophyte

Origin and Etymology of agamospermy

Greek agamos + English -spermy

NEW!

First Known Use: 1944

See Words from the same year

Seen and Heard

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

show

WORD OF THE DAY

crucible

play

a severe test

Words at Play

Words and Phrases That Come from the Dinner Table

Fill your plate with these surprising food words

ghost-being-disinvited-from-party

'Disinvite' or 'Uninvite'?

A disinvited guest is an uninvited problem

alt-596f730ceb5ae

Words We're Watching: 'Scoby'

Kombucha lovers unite.

alt-596e1a928254c

Words We're Watching: 'Fidget Spinner'

Don't fight the fad

Ask the Editors

video-title-words-of-the-year-1066

Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless

Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals

Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

The Emoji Quiz

Think you’re an emoji 👓 expert? Let’s see 🤔

Take the quiz

A Game of Thrones Word Quiz

In the Game of Thrones quiz, you learn some new vocabulary. (It’s quite safe, really. You will not die.)

Take the quiz

Spell It

Can you spell these 10 commonly misspelled words?

Take the quiz

SCRABBLE® Sprint

SCRABBLE® Sprint

SCRABBLE® fans, sharpen your skills!

Play the game