arsenic
A toxic grey brittle nonmetallic chemical element (symbol As) with an atomic number of 33.
Other meanings
A single atom of this element.
arsenic trioxide.
Synonyms
- white arsenic
A kind of
- trioxide
Word history
From Ancient Greek "ἀρσενικόν" (yellow arsenic).
Where this comes from
This definition is adapted from “arsenic” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.