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heliometer

n. குறுக்கைமானி, கதிர்மண்டல விட்டத்தையோ விண்மீன்களிடைத் தொலையையோ அளக்கும் கருவி.


He`li*om"e*ter, n. Etym: [Helio- + -meter: cf. F. héliomètre.] (Astron.) Defn: 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.


heliometer - Similar Words