| 释义 |
non·metal
\“+\ noun
Etymology: non- (I) + metal
: a chemical element (as boron, carbon, phosphorus, nitrogen, oxygen, sulfur, chlorine, argon) that is not classed as a metal because it does not exhibit most of the typical metallic properties : an element that in general is characterized chemically by the ability to form anions, acidic oxides and acids, and stable compounds with hydrogen — compare metalloid |