Haloscope

• (n.) An instrument for exhibition or illustration of the phenomena of halos, parhelia, and the like.
Found on http://thinkexist.com/dictionary/meaning/haloscope/

Haloscope

Ha'lo¬∑scope (hā'lo*skōp) noun [ Halo + -scope .] An instrument for exhibition or illustration of the phenomena of halos, parhelia, and the like.
Found on http://www.encyclo.co.uk/webster/H/8
No exact match found