Sinus Iridum

[ see-nuhs ir-i-duhm, sahy- ]

  1. (Bay of Rainbows) a semicircular dark plain in the second quadrant of the face of the moon.

Words Nearby Sinus Iridum 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