| 单词 | arsenic |
| 释义 | arsenic n. /ahr"seuh nik, ahrs"nik/; adj. /ahr sen"ik/, n. 1. a grayish-white element having a metallic luster, vaporizing when heated, and forming poisonous compounds. Symbol: As; at. wt.: 74.92; at. no.: 33. 2. See arsenic trioxide. 3. a mineral, the native element, occurring in white or gray masses. adj. arsenic 4. of or containing arsenic, esp. in the pentavalent state. [1350-1400; ME arsenicum < L < Gk arsenikón orpiment, n. use of neut. of arsenikós virile (ársen male, strong + -ikos -IC), prob. alter. of Oriental word (perh. < *arznig, metathetic var. of Syriac zarnig) by folk etym.] |
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