- an element not having the character of a metal, as carbon or nitrogen.
- an element incapable of forming simple positive ions in solution.
Origin of nonmetal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for non-metal
That was no doubt light-matter, a non-metal, and as such, non-conductive to light.The Black Star Passes
John W Campbell
This mineral contains the metals aluminum and beryllium combined with the non-metal oxygen.
Many other reactions show that antimony has more of the properties of a metal than of a non-metal.An Elementary Study of Chemistry
- any of a number of chemical elements that form negative ions, have acidic oxides, and are generally poor conductors of heat and electricity
Word Origin and History for non-metal
Online Etymology Dictionary, © 2010 Douglas Harper