What is the decrease of the illuminated part of the moon to the eye of a spectator called?
wane — The decrease of the illuminated part of the moon to the eye of a spectator. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Steward: Jason Burns
- Published: 2026-07-17 · Modified: 2026-07-17