arsenious

[ ahr-see-nee-uh s ]

/ ɑrˈsi ni əs /

arsenous.

Origin of arsenious

arsen- + -ious

Arsenious acid again has been respired in the form of vapour.

Poisons: Their Effects and Detection |Alexander Wynter Blyth
Arsenious acid is more frequently used than manganese for the correction of the iron impurity.

British Manufacturing Industries |L. Arnoux
As Arsenious anhydride:—Obtained in a weighed capsule or tube, either by the crystallisation or sublimation test.

Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I |Arnold Cooley
Arsenious acid, if present, should be removed by sulphuretted hydrogen before applying the tests.

Cooley's Practical Receipts, Volume II |Arnold Cooley

Arsenious acid preserves bodies very well, but a single subject would require a killogram!

History of Embalming |J. N. Gannal

arsenious

/ (ɑːˈsiːnɪəs) /

of or containing arsenic in the trivalent state