arsenic: Meaning and Definition of

ar•se•nic

Pronunciation: (n.är'su-nik, ärs'nikadj.är-sen'ik), [key]
— 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
  3. a mineral, the native element, occurring in white or gray masses.
—adj.
  1. of or containing arsenic, esp. in the pentavalent state.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: