a first-magnitude star in the constellation Cygnus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use Deneb in a sentence
Above him was the enormous triangle formed by Deneb, Vega, and Altair.Warning from the Stars | Ron Cocking
Bart's mother had been a Mentorian—from the planet Mentor, of the star Deneb, a hundred times brighter than the sun.The Colors of Space | Marion Zimmer Bradley
Earth is over-crowded and Deneb is under-populated, so of course our methods would be the opposite of Earth's.No Charge for Alterations | Horace Leonard Gold
A bit arbitrary, perhaps, but for the good of Dr. Hoyt and Deneb in the long run, just as it had been for himself.No Charge for Alterations | Horace Leonard Gold
They'd originally been found on a planet in the Deneb area, and they were engaging and friendly small animals.This World Is Taboo | Murray Leinster
British Dictionary definitions for Deneb
the brightest star in the constellation Cygnus and one of the brightest but remotest stars in the night sky. Visual magnitude: 1.25; spectral type: A2I
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
Scientific definitions for Deneb
A white supergiant star. It is the brightest star in the constellation Cygnus, with an apparent magnitude of 1.26. Deneb, along with Vega and Altair, form the Summer Triangle asterism. Scientific name: Alpha Cygnus. See Note at Rigel.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.