heliometer

Sinhala Dictionary definitions for heliometer

heliometer 🔊

heliometer : සුර්යතාපමානය

heliometer : හේලියෝමීටරය

heliometer definition

Noun. 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.