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hot Jupiter

noun Astronomy.

any of a class of large, hot, gaseous planets similar to Jupiter in mass but outside our solar system.

Also called roaster.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

hot jupiter in Science

hot Jupiter

[hŏt]

See under extrasolar planet.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.