early-type star
Britishnoun
Etymology
Origin of early-type star
C20: from the mistaken belief that hot and old stars evolved into cool young stars
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.