hy·droid
ˈhī-ˌdrȯid 
Examples of hydroid in a Sentence
Recent Examples on the Web
New York Times, 11 Mar. 2022
Coastal podded hydroid Aglaophenia pluma, open-ocean Planes crab and open-ocean Lepas gooseneck barnacles colonize a piece of floating debris.
—NBC News, 3 Dec. 2021
Jennifer Ouellette, Ars Technica, 4 Sep. 2024
Polyps are part of the life cycle of jellyfish and the related group of animals known as hydroids.
—Aspen Pflughoeft, Miami Herald, 20 Feb. 2024
Common coastal stowaways included amphipods, isopods, hydroids and bryozoans, most of which originated from the northwest Pacific.
—Tim Brinkhof, Discover Magazine, 25 Nov. 2023
The rock was also lined with wispy filaments, perhaps a component of the bacterial mats, or perhaps a peculiar animal known as a hydroid.
—Matt Simon, Wired, 15 Feb. 2021
Some grow algae and hydroid gardens on their backs, others can change color at will, and one, the decoy scorpionfish, has a lure on its dorsal fin that resembles a tiny, swimming fish.
—Troy Farah, Smithsonian, 29 Mar. 2018
The nudibranch, besides using the hydroids for habitat, regularly consume its home colony’s polyps.
—Sid Perkins, Science | AAAS, 31 Oct. 2017
In the wild, these slugs are known to feed on hydroids, an invertebrate marine organism.
—Brigit Katz, Smithsonian, 4 Nov. 2017
Fourteen of the slugs made a beeline for the hydroid that had been fed, according to a study published recently in Biology Letters.
—Brigit Katz, Smithsonian, 4 Nov. 2017
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Adjective
Scientists are divided over whether a creature sitting near the wheel — which resembles an ostrich feather crossed with a Christmas tree — is a hydroid or a black coral.
—New York Times, 11 Mar. 2022
Coastal podded hydroid Aglaophenia pluma, open-ocean Planes crab and open-ocean Lepas gooseneck barnacles colonize a piece of floating debris.
—NBC News, 3 Dec. 2021
Noun
The first three all originate in the Far East, while Bengals are a hydroid cross between cats and Asian leopard cats.
—Jennifer Ouellette, Ars Technica, 4 Sep. 2024
Polyps are part of the life cycle of jellyfish and the related group of animals known as hydroids.
—Aspen Pflughoeft, Miami Herald, 20 Feb. 2024
Common coastal stowaways included amphipods, isopods, hydroids and bryozoans, most of which originated from the northwest Pacific.
—Tim Brinkhof, Discover Magazine, 25 Nov. 2023
The rock was also lined with wispy filaments, perhaps a component of the bacterial mats, or perhaps a peculiar animal known as a hydroid.
—Matt Simon, Wired, 15 Feb. 2021
Some grow algae and hydroid gardens on their backs, others can change color at will, and one, the decoy scorpionfish, has a lure on its dorsal fin that resembles a tiny, swimming fish.
—Troy Farah, Smithsonian, 29 Mar. 2018
The nudibranch, besides using the hydroids for habitat, regularly consume its home colony’s polyps.
—Sid Perkins, Science | AAAS, 31 Oct. 2017
In the wild, these slugs are known to feed on hydroids, an invertebrate marine organism.
—Brigit Katz, Smithsonian, 4 Nov. 2017
Fourteen of the slugs made a beeline for the hydroid that had been fed, according to a study published recently in Biology Letters.
—Brigit Katz, Smithsonian, 4 Nov. 2017
Dictionary Entries Near hydroid
Cite this Entry
“Hydroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroid. Accessed 26 Nov. 2024.
Copy CitationKids Definition
hydroid
1 of 2 adjective
hy·droid
ˈhī-ˌdrȯid
: of or relating to the hydrozoans
especially
: resembling a hydra
hydroid
2 of 2 noun
: hydrozoan
especially
: a hydrozoan polyp in contrast to a hydrozoan jellyfish
Medical Definition
hydroid
1 of 2 adjective
hy·droid
ˈhī-ˌdrȯid
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