angiosperm

noun
an·​gio·​sperm | \ ˈan-jē-ə-ˌspərm How to pronounce angiosperm (audio) \

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

Keep scrolling for more

Other Words from angiosperm

angiospermous \ ˌan-​jē-​ə-​ˈspər-​məs How to pronounce angiospermous (audio) \ adjective

Examples of angiosperm in a Sentence

Recent Examples on the Web Mushrooms are to fungi what flowers are to angiosperms (plants that produce seeds). oregonlive, "Ask an expert: Celebrate beneficial fungus in your yard," 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, "With ‘Downsized’ DNA, Flowering Plants Took Over the World," 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, "With ‘Downsized’ DNA, Flowering Plants Took Over the World," 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, "Africa's baobab trees can live for more than 1,000 years, but the oldest and largest of them are dying," 11 June 2018

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.

See More

First Known Use of angiosperm

circa 1828, in the meaning defined above

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

Keep scrolling for more

Learn More about angiosperm

Time Traveler for angiosperm

Time Traveler

The first known use of angiosperm was circa 1828

See more words from the same year

Statistics for angiosperm

Last Updated

27 Jan 2020

Cite this Entry

“Angiosperm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/angiosperm. Accessed 20 Feb. 2020.

Keep scrolling for more

More Definitions for angiosperm

angiosperm

noun
an·​gio·​sperm | \ ˈan-jē-ə-ˌspərm How to pronounce angiosperm (audio) \

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

Other Words from angiosperm

angiospermous \ ˌan-​jē-​ə-​ˈspər-​məs How to pronounce angiospermous (audio) \ adjective

More from Merriam-Webster on angiosperm

Rhyming Dictionary: Words that rhyme with angiosperm

Britannica.com: Encyclopedia article about angiosperm

Comments on angiosperm

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

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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!