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 |