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arsenic

[n. ahr-suh-nik, ahrs-nik; adj. ahr-sen-ik] /n. ˈɑr sə nɪk, ˈɑrs nɪk; adj. ɑrˈsɛn ɪk/
noun
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.
3.
a mineral, the native element, occurring in white or gray masses.
adjective, arsenic
4.
of or containing arsenic, especially in the pentavalent state.
Origin
1350-1400
1350-1400; Middle English arsenicum < Latin < Greek arsenikón orpiment, noun use of neuter of arsenikós virile (ársēn male, strong + -ikos -ic), probably alteration of Oriental word (perhaps < *arznig, metathetic variant of Syriac zarnig) by folk etymology
Related forms
nonarsenic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for non arsenic

arsenic

noun (ˈɑːsnɪk)
1.
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)
2.
a nontechnical name for arsenic trioxide
adjective (ɑːˈsɛnɪk)
3.
of or containing arsenic, esp in the pentavalent state
Word Origin
C14: from Latin arsenicum, from Greek arsenikon yellow orpiment, from Syriac zarnīg (influenced in form by Greek arsenikos virile)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for non arsenic

arsenic

n.

late 14c., from Old French arsenic, from Latin arsenicum, from late Greek arsenikon "arsenic" (Dioscorides; Aristotle has it as sandarake), adapted from Syriac (al) zarniqa "arsenic," from Middle Persian zarnik "gold-colored" (arsenic trisulphide has a lemon-yellow color), from Old Iranian *zarna- "golden," from PIE root *ghel- "to shine" (see Chloe).

The form of the Greek word is folk etymology, literally "masculine," from arsen "male, strong, virile" (cf. arseno-koites "lying with men" in New Testament) supposedly in reference to the powerful properties of the substance. The mineral (as opposed to the element) is properly orpiment, from Latin auri pigmentum, so called because it was used to make golden dyes.

Online Etymology Dictionary, © 2010 Douglas Harper
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non arsenic in Medicine

arsenic ar·se·nic (är'sə-nĭk)
n.
Symbol As
A poisonous metallic element having three allotropes, of which the gray form is the most common. Arsenic compounds are used in insecticides and solid-state doping agents. Atomic number 33; atomic weight 74.922; valence 3, 5. Gray arsenic melts at 817°C (at 28 atm pressure), sublimes at 614°C, and has a specific gravity of 5.73. adj. ar·sen·ic (är-sěn'ĭk)
Of or containing arsenic, especially with valence 5.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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non arsenic in Science
arsenic
  (är'sə-nĭk)   
Symbol As
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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