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shell star

noun, Astronomy
1.
a type of star showing bright emission lines superimposed on its normal absorption spectrum, presumably caused by a gaseous shell around the star.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for shell star

shell star

noun
1.
(astronomy) a type of star, usually of spectral type B to F, surrounded by a gaseous shell
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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