galactic year
noun Astronomy.
the duration of a complete rotation of the Milky Way, approximately 200 million years.
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Words nearby galactic year
galactic nucleus, Galactico, galactic plane, galactic pole, galactic poles, galactic year, galactin, galacto-, galactobolic, galactocele, galactoid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020