| 释义 |
non·metallic
I. \| ̷ ̷+\ adjective
Etymology: non- (I) + metallic
1. : not metallic (as in luster or other physical properties)
2. : of, relating to, or being a nonmetal
< nonmetallic elements >
II. noun
(-s)
: a mineral or other naturally occurring substance (as rock or clay) that is not used for extraction of its metal content |