from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative form of parhelion.
from the GNU version of the Collaborative International Dictionary of English
- n. See parhelion.
from The Century Dictionary and Cyclopedia
- n. Same as parhelion.
- n. A name given by Runge and Paschen to a supposed distinct gas which, on the ground of certain spectroscopic observations, they believed to be present in helium. It has since been shown that the helium examined is but a single substance, the spectroscopic differences being due to change of pressure.
Sorry, no etymologies found.