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

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See Examples For:

magnetar

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

From Science Daily ● Jul. 6, 2026

Farah's model suggests that some of the material blasted outward by the explosion later fell back toward the newborn magnetar, forming an accretion disk.

From Science Daily ● Jul. 6, 2026

The team also estimated that the neutron star spins once every 4.2 milliseconds and possesses a magnetic field roughly 300 trillion times stronger than Earth's, both defining characteristics of a magnetar.

From Science Daily ● Jul. 6, 2026

Together, these particles create a huge cloud of high-energy material called a magnetar wind nebula.

From Science Daily ● May 27, 2026

As the disk precesses, it periodically blocks and reflects light coming from the magnetar.

From Science Daily ● Mar. 11, 2026

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