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arsenic
[ noun ahr-suh-nik, ahrs-nik; adjective ahr-sen-ik ]
noun
- a grayish-white element having a metallic luster, vaporizing when heated, and forming poisonous compounds. : As; : 74.92; : 33.
- a mineral, the native element, occurring in white or gray masses.
adjective
- of or containing arsenic, especially in the pentavalent state.
arsenic
noun
- a toxic metalloid element, existing in several allotropic forms, that occurs principally in realgar and orpiment and as the free element. It is used in transistors, lead-based alloys, and high-temperature brasses. Symbol: As; atomic no: 33; atomic wt: 74.92159; valency: –3, 0, +3, or +5; relative density: 5.73 (grey); melting pt: 817°C at a pressure of 3MN/m² (grey); sublimes at 613°C (grey)
- a nontechnical name for arsenic trioxide
adjective
- of or containing arsenic, esp in the pentavalent state
arsenic
/ är′sə-nĭk /
- A metalloid element most commonly occurring as a gray crystal, but also found as a yellow crystal and in other forms. Arsenic and its compounds are highly poisonous and are used to make insecticides, weed killers, and various alloys. Atomic number 33; atomic weight 74.922; valence 3, 5. Gray arsenic melts at 817°C (at 28 atm pressure), sublimes at 613°C, and has a specific gravity of 5.73.
- See Periodic Table
Other Words From
- nonar·senic adjective
Word History and Origins
Origin of arsenic1
Word History and Origins
Origin of arsenic1
Example Sentences
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.
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