| 释义 | stronticenUK
 stron·ti·umS0817200 (strŏn′chē-əm, -tē-əm, -shəm)n. Symbol Sr A soft, silvery, easily oxidized metallic element that ignites spontaneously in air when finely divided. Strontium is used in pyrotechnic compounds and various alloys, and as a coating on cathode-ray tubes and related display devices to block x-ray emission. Atomic number 38; atomic weight 87.62; melting point 777°C; boiling point 1,382°C; specific gravity 2.64; valence 2. See  Periodic Table.[From New Latin strontia, strontium oxide, from English strontian; see  strontianite.]
 stron′tic (-tĭk) adj.
 strontic(ˈstrɒntɪk) adj (Metallurgy) of or relating to strontiumEncyclopediaSeestrontium |