angiosperm

noun

an·gio·sperm | \ ˈan-jē-ə-ˌspərm

Definition of angiosperm

: any of a class (Angiospermae) or division (Magnoliophyta) of vascular plants (such as magnolias, grasses, oaks, roses, and daisies) that have the ovules and seeds enclosed in an ovary, form the embryo and endosperm by double fertilization, and typically have each flower surrounded by a perianth composed of two sets of floral envelopes comprising the calyx and corolla

— called also flowering plant

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Other Words from angiosperm Example Sentences Learn More About angiosperm

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Examples of angiosperm in a Sentence

Recent Examples on the Web The team found that, as with the outer seed coat in modern angiosperm seeds, the cupule tissue curved around the developing seeds. — Elizabeth Pennisi, Science | AAAS, 26 May 2021 The new angiosperm was named Gansufructus saligna, and all the fossil specimens were collected from the grayish green mudstone of the upper Zhonggou Formation, dating back to 112 million years ago. — David Bressan, Forbes, 24 May 2021 Mushrooms are to fungi what flowers are to angiosperms (plants that produce seeds). — oregonlive, 22 Nov. 2019 Perhaps the answer has been so elusive because those scientists have usually focused on the physiological traits that set the angiosperms apart from their relatives. — Quanta Magazine, 16 June 2019 In fact, by following the family trees of the flowering plants back to their base, researchers have determined that the very first angiosperms had small genomes. — Quanta Magazine, 16 June 2019 The oldest and biggest angiosperm trees in the world, the African baobabs, are dying or already dead, an international team of scientists has found. — Amina Khan, latimes.com, 11 June 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'angiosperm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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History and Etymology for angiosperm

borrowed from French angiosperme "angiospermous plant," noun derivative of angiosperme "angiospermous," borrowed from New Latin angiospermus "having seeds contained in a capsule, having a pericarp," from Greek angeîon "vessel, container" + -o- -o- + -spermos "having a seed (of the kind specified)," derivative of spérma "seed" — more at angio-, sperm

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Dictionary Entries Near angiosperm

Angiopteris

angiosperm

Angiospermae

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Cite this Entry

“Angiosperm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/angiosperm. Accessed 25 May. 2022.

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More Definitions for angiosperm

angiosperm

noun

an·gio·sperm | \ ˈan-jē-ə-ˌspərm

Medical Definition of angiosperm

: any of a class (Angiospermae) of vascular plants (as orchids or roses) that have the seeds in a closed ovary and include the monocotyledons and dicotyledons — compare gymnosperm