hydra
Example Sentences
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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
Suspended from the ceiling were cages of live animals—a lion, several zebras, a whole pack of hyenas, and even an eight-headed hydra.
From "The Mark of Athena" by Rick Riordan
Melatonin also makes hydras snoozy, Itoh and his team found, and genes that control sleep in hydras are similar to those that do so in humans.
From Scientific American ● Jun. 16, 2023
"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 name van Leeuwenhoek gave them was “polyps,” though they would eventually be commonly known as hydras.
From Salon ● Jan. 17, 2016
The walls were lined with metal shelves six stories high, decorated with war banners, painted shields, and the stuffed heads of dragons, hydras, giant lions, and wild boars.
From "The Son of Neptune" by Rick Riordan
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
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
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
Elements of the Universe: Hydr, Hydro ("Water")
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Reading: Literature - Mythology - Introductory
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Reading: Literature - Mythology - Middle School
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