he·li·om·e·ter 
(hē′lē-ŏmĭ-tər)
(hē′lē-ŏmĭ-tər)n.
A telescope equipped to measure small angular distances between celestial bodies or the angular sizes of celestial bodies.
he′li·o·metric (-ə-mĕtrĭk), he′li·o·metri·cal adj.
he′li·o·metri·cal·ly adv.
he′li·ome·try n.
- look alive
- look alive/sharp
- look daggers at
- lookdown
- look down nose at
- look down nose on
- look down on
- look down one's nose at
- look down (one's) nose at/on
- look down one's nose on
- look down on/upon
- look down upon
- looker
- looker-on
- look for
- look forward to
- look-in
- looking glass
- look in on
- look into
- lookism
- lookist
- look on
- look on (or upon)
- look out