
1) Chemical element 2) Element 3) Of a certain poison
Found on
https://www.crosswordclues.com/clue/arsenious

• (a.) Pertaining to, consisting of, or containing, arsenic; as, arsenious powder or glass. • (a.) Pertaining to, or derived from, arsenic, when having an equivalence next lower than the highest; as, arsenious acid.
Found on
http://thinkexist.com/dictionary/meaning/arsenious/
Ar·se'ni·ous adjective [ Confer French
arsénieux .]
1. Pertaining to, consisting of, or containing, arsenic; as,
arsenious powder or glass.
2. (Chemistry) Pertaining to, or derived from, arsenic, when having an equivalence next lower than the highest; as,
ars...Found on
http://www.encyclo.co.uk/webster/A/124

Type: Term Pronunciation: ar-sēn′ē-ŭs Definitions: 1. Arsenic (adj.).
Found on
http://www.medilexicon.com/medicaldictionary.php?t=6405

[
adj] - relating to compounds in which arsenic is trivalent
Found on
http://www.webdictionary.co.uk/definition.php?query=arsenious
adjective relating to compounds in which arsenic is trivalent
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.