[类金属 / 類金屬, lèi jīn shǔ, ㄌㄟˋ ㄐㄧㄣ ㄕㄨˇ]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[Add to Longdo]