Sirius
Astronomy. the Dog Star, the brightest-appearing star in the heavens, located in the constellation Canis Major.
Also Sir·i·us .Classical Mythology.
the dog of Orion.
Icarius' faithful dog, who was changed into a star.
Origin of Sirius
1Words Nearby Sirius
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use Sirius in a sentence
Hear Mark Lieberman every Friday on P.O.T.U.S. (Sirius-XM 124) at 6:20 am Eastern Time.
Want a Super Bowl Boost for the Economy? Root for Seattle. | Mark Lieberman | February 2, 2014 | THE DAILY BEASTI meet Jones at the New York headquarters of Sirius Satellite Radio.
Starr has been in more than 200 movies and hosts The Mean Bitches Show on Sirius XM.
This morning, David had a conversation with Sirius XM's Pete Dominick.
Above the door is the sign she made for his transition to Sirius radio, which includes the word “Sirius” handwritten 100 times.
Meet Mariann From Brooklyn, Howard Stern’s Biggest Fan | Kevin Fallon | February 28, 2013 | THE DAILY BEAST
Sirius B, its companion, is a different matter; it's a white dwarf.
Islands of Space | John W CampbellIt has only one one-hundred-twenty-five-thousandths the volume of Sirius A, but it weighs one third as much.
Islands of Space | John W CampbellBecause of its brilliance and relative proximity to Sol, Sirius is the brightest star in the heavens, as seen from Earth.
Islands of Space | John W CampbellArcot watched the dull red spark of Sirius become increasingly dimmer.
Islands of Space | John W CampbellThe mighty blaze of Sirius had warmed Pluto, vaporizing its atmosphere and thawing its seas.
Islands of Space | John W Campbell
British Dictionary definitions for Sirius
/ (ˈsɪrɪəs) /
the brightest star in the sky after the sun, lying in the constellation Canis Major. It is a binary star whose companion, Sirius B, is a very faint white dwarf. Distance: 8.6 light years: Also called: the Dog Star, Canicula, Sothis Related adjectives: canicular, cynic
Origin of Sirius
1Collins 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 Sirius
[ sĭr′ē-əs ]
The brightest star seen in the night sky. It is in the constellation Canis Major. It is a white main-sequence star on the Hertzsprung-Russell diagram, with an apparent magnitude of -1.5. Sirius is a binary star, and its companion is a white dwarf star referred to as the Pup. Sirius is also known as the Dog Star. Scientific name: Alpha Canis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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