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noun

angiosperm

AN-jee-uh-sperm
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Angiosperm (noun) means a flowering plant whose seeds develop inside an enclosed ovary. Example: “The apple tree is an angiosperm, since its seeds form inside a fruit.”

noun
1
technical A flowering plant whose seeds develop inside an enclosed ovary.
"The apple tree is an angiosperm, since its seeds form inside a fruit."
"Botany students learn to tell an angiosperm from a gymnosperm by looking at how the seed is protected."
"Most plants people grow in gardens are angiosperms."

Examples of angiosperm in a sentence →

How to use angiosperm

Learner’s notes

In plain EnglishAn angiosperm is simply a flowering plant, one that keeps its seeds sealed inside a protective case.

When to use it

This is a botanical term, mostly used in scientific or academic writing rather than everyday speech.

Memory tip

Remember the seed is the key: angiosperms wrap theirs up inside a fruit-like case, gymnosperms don't.

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Easily confused with
gymnosperm
Common pairings
angiosperm species early angiosperms angiosperm evolution
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Fill the gap

Can you complete this real example?

The apple tree is an _____, since its seeds form inside a fruit.

Etymology

The word comes from Ancient Greek, joining a term for a receptacle or vessel with a term for seed. Together the parts describe a seed held inside a case, which is exactly how an angiosperm's seed sits inside its ovary.

Origin: Ancient Greek

flowering plant

Antonyms

gymnosperm

Frequently asked questions

What is an angiosperm?
An angiosperm is a flowering plant, one whose seeds grow protected inside an ovary rather than sitting exposed.
What makes a plant an angiosperm?
A plant counts as an angiosperm if its ovules, and later its seeds, are enclosed within an ovary rather than left uncovered.
What is the difference between an angiosperm and a gymnosperm?
An angiosperm encloses its seeds inside an ovary, while a gymnosperm's seeds are not enclosed in this way.
What is the meaning of angiosperm?
"angiosperm" (noun) means a flowering plant whose seeds develop inside an enclosed ovary.