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magnetar

British

/ ˈmæɡnɪtɑː /

noun

a type of neutron star that has a very intense magnetic field, over 1000 times greater than that of a pulsar

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

magnetar Scientific

/ măg′nə-tär′ /

A neutron star with a very strong magnetic field. Magnetars are the proposed sources of observed gamma ray bursts.

Etymology

Origin of magnetar

C20: from _magnet ( _ic ) ( _st ) _ar , on the model of _quasar

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:

magnetar

The paper titled "Vacuum birefringence and the polarized X-ray emission of a radio magnetar" has been published in Nature.

From Science Daily ● Aug. 18, 2026

The magnetar is also observed from a nearly pole-on perspective.

From Science Daily ● Aug. 18, 2026

"He's tied the bumps into the magnetar model and explained everything with the best-tested theory in astrophysics -- general relativity. It is incredibly elegant."

From Science Daily ● Jul. 6, 2026

Kasen has also suggested that if a collapsing star forms a black hole instead of a magnetar, it could likewise produce an unusually bright supernova.

From Science Daily ● Jul. 6, 2026

Back in 2010, UC Berkeley theoretical astrophysicist Dan Kasen proposed that the answer was a newborn magnetar.

From Science Daily ● Jul. 6, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023