Sinus Iridum
[ see-nuhs ir-i-duhm, sahy- ]
noun
(Bay of Rainbows) a semicircular dark plain in the second quadrant of the face of the moon.
Words Nearby Sinus Iridum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use Sinus Iridum in a sentence
The “moon maiden” is a term applied to a fancied resemblance of a portion of the Sinus Iridum to a female head.
Astronomical Curiosities | J. Ellard Gore
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