he·li·om·e·ter (h  l- m  -t r)n. A telescope equipped to measure small angular distances between celestial bodies. he li·o·metric (--m trk), heli·o·metri·cal adj.he li·o·metri·cal·ly adv.he li·ome·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 [ˌhiːlɪəʊˈmɛtrɪk], heliometrical adj
heliometrically adv
heliometry n
heliometer
an instrument originally designed for measuring the sun’s diameter, now used for measuring the angular distance between stars.
See also: Astronomy, Instruments
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | 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 |
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