HELIOMETERS

Noun

heliometers

plural of heliometer

Source: Wiktionary


HELIOMETER

He`li*om"e*ter, n. Etym: [Helio- + -meter: cf. F. héliomètre.] (Astron.)

Definition: An instrument devised originally for measuring the diameter of the sun; now employed for delicate measurements of the distance and relative direction of two stars too far apart to be easily measured in the field of view of an ordinary telescope.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

26 November 2024

TRANSPOSITION

(noun) (music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards


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