he·li·om·e·ter
ˌhē-lē-ˈä-mə-tər
: 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 between points on the moon
he·lio·met·ric
¦hēlēō¦me‧trik
: of, employing, or obtained by use of a heliometer
heliometric observations
heliometric results
Love words? Need even more definitions?
Merriam-Webster unabridged



