halometer
[ hă-lŏm′ĭ-tər, hā- ]
n.
An instrument used to measure the diffraction halo of a red blood cell.
An instrument for measuring ocular halos.
Words nearby halometer
helideck,
heliencephalitis,
heligoland,
helio,
helio-,
halometer,
heliocentric parallax,
heliochrome,
heliodor,
heliogabalus,
heliogram