| Metalloid | n. [ L. metallum metal + -oid: cf. F. métalloïde. ] (a) Formerly, the metallic base of a fixed alkali, or alkaline earth; -- applied by Sir Humphrey Davy to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined. (b) Now, one of several elementary substances which in the free state are unlike metals, and whose compounds possess or produce acid, rather than basic, properties; a nonmetal; as, boron, carbon, phosphorus, nitrogen, oxygen, sulphur, chlorine, bromine, etc., are metalloids. [ 1913 Webster ] |
| Metalloid | a. 1. Having the appearance of a metal. [ 1913 Webster ] 2. (Chem.) Having the properties of a nonmetal; nonmetallic; acid; negative. [ 1913 Webster ] |
| Metalloidal | a. Metalloid. [ 1913 Webster ] |
| 硅 | [guī, ㄍㄨㄟ, 硅] silicon Si, metalloid, atomic number 14 #11,266 [Add to Longdo] |
| 砷 | [shēn, ㄕㄣ, 砷] arsenic As, metalloid, atomic number 33 #22,085 [Add to Longdo] |
| 硼 | [péng, ㄆㄥˊ, 硼] boron B, metalloid, atomic number 5 #26,975 [Add to Longdo] |
| 锗 | [zhě, ㄓㄜˇ, 锗 / 鍺] germanium Ge, metal or metalloid, atomic number 32 #33,699 [Add to Longdo] |
| 锑 | [tī, ㄊㄧ, 锑 / 銻] antimony Sb 銻|锑, metalloid, atomic number 51, See also: 銻 #35,263 [Add to Longdo] |
| 钋 | [pō, ㄆㄛ, 钋 / 釙] polonium Po 釙|钋, metalloid, atomic number 84, See also: 釙 #43,144 [Add to Longdo] |
| 砹 | [ài, ㄞˋ, 砹] astatine At, radioactive halogen (or metalloid), atomic number 85 #48,371 [Add to Longdo] |
| 碲 | [dì, ㄉㄧˋ, 碲] tellurium Te 碲, metalloid, atomic number 52 #107,613 [Add to Longdo] |
| 类金属 | [lèi jīn shǔ, ㄌㄟˋ ㄐㄧㄣ ㄕㄨˇ, 类 金 属 / 類 金 屬] metalloid (chem.), element with properties intermediate between metals and nonmetals, usually taken to include Boron B 硼, Silicon Si 硅, Germanium Ge 鍺|锗, Arsenic As 砷, Antimony Sb 銻|锑, Tellurium Te 碲, Polonium Po 釙|钋 (sometimes also the halogen Astatine A, See also: 硼, 硅, 鍺, 锗, 砷, 銻, 锑, 碲, 釙, 钋, 砹 [Add to Longdo] |