Skip to main content

arsenic

/noun ahr-suh-nik, ahrs-nik; adjective ahr-sen-ik/US // noun ˈɑr sə nɪk, ˈɑrs nɪk; adjective ɑrˈsɛn ɪk //

砷,砒霜,砷的,砷的问题

Definitions

n.名词 noun
  1. 1
    • : a grayish-white element having a metallic luster, vaporizing when heated, and forming poisonous compounds. Symbol: As; atomic weight: 74.92; atomic number: 33.
    • : arsenic trioxide.
    • : a mineral, the native element, occurring in white or gray masses.
adj.形容词 adjective
  1. 1

    ar·sen·ic [ahr-sen-ik] /ɑrˈsɛn ɪk/

    • : of or containing arsenic, especially in the pentavalent state.

Examples

  • As temperatures rose, the power failed, and the arsenic levels in Oasis’s well water increased.

  • As parts of the country get hotter and drier, arsenic exposure is becoming more common.

  • Those consultants found arsenic and manganese in soil tests of the site, but experts said they were not detected at levels harmful to people.

  • The FDA’s announcement, a plan called “Closer to Zero,” intends to draft maximum levels of lead in baby and toddler food by April 2022, and for arsenic by April 2024.

  • Of those dozen toxins, several — including arsenic and hexavalent chromium — are considered to be carcinogenic if consumed even in small amounts over a long period of time.

  • Arsenic can also cause cardiovascular disease, which African-Americans have greater genetic susceptibility for, she said.

  • Playing this season: Annie, Steel Magnolias, and Arsenic and Old Lace.

  • Arsenic has been used as a poisoning agent since the Middle Ages.

  • Arsenic, copper, lead and PCBs were found in the soil, sediment and water.

  • As (metallic) Arsenic:—Obtained by one of the processes already given.

  • Arsenic, ar′sen-ik, n. one of the chemical elements: a mineral poison: a soft, gray-coloured metal.

  • Arsenic and phosphoric acids interfere unless an excess of free hydrochloric or other acid is present.

  • Arsenic also occurs as a constituent of several comparatively rare minerals; and, as an impurity, it is very widely distributed.

  • Arsenic itself is volatile, and many of its compounds have the same property.