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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.

See Examples For:

Samar shares the popular view that for every senior official "they've reportedly assigned three to seven successors. Like a hydra - you cut one head off, another grows back. They won't surrender any time soon."

From BBC ● Mar. 25, 2026

"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

The last time he’d faced a hydra, he’d been saved by a battleship with bronze cannons that blasted the monster to pieces.

From "The Mark of Athena" by Rick Riordan

Yet dopamine, which elicits wakefulness in people and other animals, makes hydras sleepy.

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

One of the hydras had a tree sapling sprouting between its necks.

From "The Last Olympian" by Rick Riordan

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

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

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

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

They have a model, a most ingenious affair run by clockwork, at the University of Konkrook, to show the apparent movement and position of Beta Hydrae in the sky; it does so fairly accurately.

From Uller Uprising by John D. Clark




Vocabulary lists containing hydra


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