from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The intrinsic magnitude of a celestial body computed as if viewed from a distance of 10 parsecs, or 32.6 light-years.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The intrinsic luminosity that a celestial body would have if viewed from a distance of 10 parsecs or 32.6 light years.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth
Sorry, no etymologies found.