elodea

noun

elo·​dea i-ˈlō-dē-ə How to pronounce elodea (audio)
: any of a small American genus (Elodea) of submerged aquatic monocotyledonous herbs

Examples of elodea in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Plants include bacopa, elodea, stream moss, duckweed, azolla and ludwigia. Janene Holzberg, baltimoresun.com, 3 Sep. 2019 The Alaska Department of Fish and Game has closed Alexander and Sucker lakes to all access this summer, specifically targeting controlling the spread of elodea. Author: Elizabeth Earl, Anchorage Daily News, 20 June 2019

Word History

Etymology

borrowed from New Latin, genus name, derivative from the base of Greek helṓdēs "marshy," from hélos (neuter s-stem) "wet meadow, marsh" (probably going back to Indo-European *selos- "marsh," whence also Sanskrit sáraḥ "pond, lake") + -ōdēs "like, having the nature of" (probably generalized from adjectives describing smells, as kēṓdēs "smelling like incense," from the base od- of ózein "to smell, give off odor") — more at odor

Note: Genus named by the French botanist André Michaux (1746-1802) in Flora Boreali-Americana, vol. 1 (1803), p. 20.

First Known Use

circa 1868, in the meaning defined above

Time Traveler
The first known use of elodea was circa 1868

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Cite this Entry

“Elodea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/elodea. Accessed 9 Sep. 2025.

Kids Definition

elodea

noun
elo·​dea i-ˈlōd-ē-ə How to pronounce elodea (audio)
: any of a small genus of American herbs with leafy stems that live underwater

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