PLANISPHERE

Etymology

Noun

planisphere (plural planispheres)

Any representation of part of a sphere on a plane surface

(astronomy) Any of several charts of the celestial sphere having an overlay or window that may be adjusted to show the stars visible at a particular time, or from a particular place

Source: Wiktionary


Plan"i*sphere, n. Etym: [Plani- + sphere: cf. F. planisphère. See Plain, and Sphere.]

Definition: The representation of the circles of the sphere upon a plane; especially, a representation of the celestial sphere upon a plane with adjustable circles, or other appendages, for showing the position of the heavens, the time of rising and setting of stars, etc., for any given date or hour.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

9 June 2025

HERMAPHRODITE

(noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made


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Coffee Trivia

According to Guinness World Records, the largest collection of coffee pots belongs to Robert Dahl (Germany) and consists of 27,390 coffee pots as of 2 November 2012, in Rövershagen, Germany.

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