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angiosperm

[ an-jee-uh-spurm ]
/ ˈæn dʒi əˌspɜrm /
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noun Botany.
a plant having its seeds enclosed in an ovary; a flowering plant.

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Compare gymnosperm.

Origin of angiosperm

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use angiosperm in a sentence

British Dictionary definitions for angiosperm

angiosperm
/ (ˈændʒɪəˌspɜːm) /

noun
any seed-bearing plant of the phylum Angiospermophyta (division Angiospermae in traditional systems), in which the ovules are enclosed in an ovary, which develops into the fruit after fertilization; any flowering plantCompare gymnosperm

Derived forms of angiosperm

angiospermous, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for angiosperm

angiosperm
[ ănjē-ə-spûrm′ ]

Any of a large group of plants that produce flowers. They develop seeds from ovules contained in ovaries, and the seeds are enclosed by fruits which develop from carpels. They are also distinguished by the process of double fertilization. The majority of angiosperms belong to two large classes: monocotyledons and eudicotyledons. The angiosperms are the largest phylum of living plants, existing in some 235,000 species. They range from small floating plants only one millimeter (0.04 inch) in length to towering trees that are over 100 meters (328 ft) tall. Compare gymnosperm.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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