| 释义 |
met·al·loid
I. \ˈmed.əlˌȯid, -etəl-\ noun
(-s)
Etymology: metall- + -oid
1. archaic : an alkali metal (as sodium) or an alkaline-earth metal (as calcium)
2.
a. : nonmetal
b. : a nonmetal (as carbon or nitrogen) that can combine with a metal to form an alloy
< low metalloid steel (almost pure iron) — Steelways >
c. : an element (as boron, silicon, arsenic, or tellurium) intermediate in properties between the typical metals and nonmetals — compare semiconductor
II. adjective
also met·al·loi·dal \| ̷ ̷ ̷ ̷|ȯidəl\
Etymology: metalloid from metalloid, n.; metalloidal from metalloid + -al
1. : resembling a metal
2. : of, relating to, or being a metalloid |