heliometrically
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heliometrically — adverb see heliometer … New Collegiate Dictionary
heliometrically — he·lio·met·ri·cal·ly … English syllables
heliometrically — adverb see heliometric … Useful english dictionary
heliometer — noun Etymology: French héliomètre, from hélio 1heli + mètre meter Date: 1753 a visual telescope that has a divided objective designed for measuring the apparent diameter of the sun but also used for measuring angles between celestial bodies or… … New Collegiate Dictionary
heliometer — heliometric /hee lee euh me trik/, heliometrical, adj. heliometrically, adv. /hee lee om i teuhr/, n. a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies. [1745 55; … Universalium