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Definitions

hydra

[hahy-druh] / ˈhaɪ drə /


NOUN
dragon
Synonyms


NOUN
polyp
Synonyms




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.

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"In 20 years, and despite the resolute efforts of our police officers, gendarmes, judges, teachers and elected officials, the antisemitic hydra has kept advancing," he said.

From Barron's ● Feb. 13, 2026

“Like the hydra, when you cut one head off and two more grow in its place. That’s what all of us are working towards.”

From Los Angeles Times ● Jul. 24, 2023

This suggests that evolution plays around with these chemical pathways, altering them over the hundreds of millions of years since the hydra and human lineages diverged from each other on the evolutionary tree.

From Scientific American ● Jun. 16, 2023

"Greek football is a hydra with many heads. You cut one, others emerge."

From BBC ● Feb. 23, 2022

The hydra spit acid, which was a mistake.

From "The Mark of Athena" by Rick Riordan

Similarly, Itoh and his team reported in Science Advances in 2020 that tiny hydras of the species Hydra vulgaris also have a quiescent period that acts a lot like sleep.

From Scientific American ● Jun. 16, 2023

Budding occurs commonly in some invertebrate animals such as corals and hydras.

From Textbooks ● Jun. 9, 2022

"Online services are like hydras, if you fix one problem, another one often emerges," James Mickens, a professor of computer science at Harvard, explains in a statement.

From BBC ● Sep. 9, 2021

Everyone in New York has heard about co-op boards that proved to be the most persnickety of the many many-headed hydras exerting authority over daily life.

From New York Times ● May 8, 2016

“The lemon ones, yes. The grape ones are Furies, I think. Or are they hydras? At any rate, these are potent. Don't take one unless you really, really need it.”

From "The Sea of Monsters" by Rick Riordan

The mission's ability to measure the polarization of X-rays allowed astronomers to closely examine EX Hydrae, a type of system known as an intermediate polar.

From Science Daily ● Jan. 8, 2026

In EX Hydrae, the magnetic field is not strong enough to direct all incoming material onto the star's magnetic poles.

From Science Daily ● Jan. 8, 2026

EX Hydrae exists in a binary system alongside a normal main sequence star.

From Science Daily ● Jan. 8, 2026

The infalling matter collides with other material bound to the white dwarf, forming tall columns of hot gas that emit intense X-rays, making systems like EX Hydrae ideal targets for IXPE.

From Science Daily ● Jan. 8, 2026

You saw that big Beta Hydrae orrery at Kankad's observatory.

From Uller Uprising by John D. Clark


Vocabulary lists containing hydra

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