heliometer

Noun

Meaning

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 dictionary

Synonyms

gage anemometer density angle balance depth clock cylinder gauge graduated barometer flask galvanometer odometer chronometer
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Hypernyms

measuring device measuring instrument measuring system

Related terms

heliometry heliometric

Close letter words and terms

heliolongitude heliomagnetic heliomagnetism heliometric heliometrical heliometrically