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sidereal month

[ sahy-deer-ee-uhl muhnth ]
/ saɪˈdɪər i əl ˈmʌnθ /
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noun Astronomy.
See under month (def. 5).
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Origin of sidereal month

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for sidereal month

sidereal month

noun
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
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