from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The study of mountains.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the study or science of mountains, in particular how they are formed
from the GNU version of the Collaborative International Dictionary of English
- n. The science or description of mountains.
from The Century Dictionary and Cyclopedia
- n. The scientific description of mountains.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the science of mountains
oro- + -logy (Wiktionary)