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Procyon

[ proh-see-on ]
/ ˈproʊ siˌɒn /
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noun Astronomy.
a first-magnitude star in the constellation Canis Minor.
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Origin of Procyon

1650–60; <Latin <Greek Prokýōn name of a star, equivalent to pro-pro-2 + kýōn dog (see hound1); so called because it rises just before Sirius, the Dog Star
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How to use Procyon in a sentence

British Dictionary definitions for Procyon

Procyon
/ (ˈprəʊsɪən) /

noun
the brightest star in the constellation Canis Minor, a binary with a very faint companion. Visual magnitude: 0.34; spectral type: F5IV; distance: 114 light years

Word Origin for Procyon

C17: via Latin from Greek Prokuōn literally: before the Dog, from pro- ² + kuōn dog; so named because it rises just before Sirius, the Dog Star
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 Procyon

Procyon
[ prōsē-ŏn′ ]

A very bright binary star in the constellation Canis Minor, with an apparent magnitude of 0.34. Scientific name: Alpha Canis Minoris.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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