echinacea
Americannoun
noun
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Also called: purple coneflower. either of the two N American plants of the genus Echinacea, having flower heads with purple rays and black centres: family Compositae (composites) See coneflower
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the powdered root of either of these plants, used to stimulate the immune system
Etymology
Origin of echinacea
First recorded in 1825–30; from New Latin Echīnācea, genus name, from Latin echīnus “sea urchin,” from Greek echînos “hedgehog, sea urchin, a kind of plant” + -acea ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I started off pretty skeptical about echinacea, but actually, I’m an author on studies showing that echinacea reduces antibiotic usage by about 70 percent in children if they use it as a prophylaxis.
From Slate ● Oct. 8, 2025
She also says echinacea, turmeric and ginger shots are not going to give you an immune boost.
From BBC ● Feb. 8, 2025
On Thursday, the agency definitively quashed that idea by rejecting petitions from three groups that had asked the F.D.A. to regulate CBD products the way it oversees dietary ingredients like caffeine, ginseng and echinacea.
From New York Times ● Jan. 26, 2023
He went on to list some of the supplements that haven’t shown benefits in trials: turmeric, St. John’s wort, ginkgo, echinacea.
From Washington Post ● Jan. 24, 2020
When Mother couldn’t get the swelling down with echinacea and calendula, Dad suggested his own remedy.
From "Educated" by Tara Westover
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.