Heliometer meaning

hē'lē-ŏm'ĭ-tər
An instrument formerly used for measuring the angular distance between two stars.
noun
1
0
A telescope equipped to measure small angular distances between celestial bodies or the angular sizes of celestial bodies.
noun
0
0
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.
noun
0
0
Advertisement

Origin of heliometer

  • helio-, from Ancient Greek Ἥλιος (Hēlios), from ἥλιος (hēlios, “sun”) + meter, from French mètre, from Ancient Greek μέτρον (metron, “measure”).
    From Wiktionary