heliometer

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he·li·om·e·ter

 (hē′lē-ŏm′ĭ-tər)
n.
A telescope equipped to measure small angular distances between celestial bodies or the angular sizes of celestial bodies.

he′li·o·met′ric (-ə-mĕt′rĭk), he′li·o·met′ri·cal adj.
he′li·o·met′ri·cal·ly adv.
he′li·om′e·try n.

heliometer

(ˌhiːlɪˈɒmɪtə)
n
(Astronomy) a refracting telescope having a split objective lens that is used to determine very small angular distances between celestial bodies
heliometric, ˌhelioˈmetrical adj
ˌhelioˈmetrically adv
ˌheliˈometry n

he•li•om•e•ter

(ˌhi liˈɒm ɪ tər)

n.
a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies.
[1745–55]
he`li•o•met′ric (-əˈmɛ trɪk) he`li•o•met′ri•cal, adj.
he`li•o•met′ri•cal•ly, adv.

heliometer

an instrument originally designed for measuring the sun’s diameter, now used for measuring the angular distance between stars.
See also: Astronomy, Instruments
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
Translations
Heliometer