Definition of heliometer Heliometer

he•li•om•e•ter

We found 5 definitions of heliometer from 5 different sources.

What does heliometer mean?

WordNet

Noun

Plural: heliometers

heliometer - an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope

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Wiktionary

heliometer (Noun)
An astronomical instrument, based on a telescope, for measuring the diameter of the sun; now used to measure the angular distance between stars and other celestial bodies .

Webster DictionaryWebster's Unabridged Dictionary 📘

heliometer (n.)
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.

Chambers DictionaryChamber's 20th Century Dictionary 📕

heliometer
hē-li-om′e-tėr, n. an instrument by which the diameters of the heavenly bodies can be measured with great accuracy.—adjs. Heliomet′ric, -al. [Gr. hēlios, sun, metron, a measure.]