Definitions
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word atomic number 18.
Examples
Sorry, no example sentences found.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.