vanadic

[ vuh-nad-ik, -ney-dik ]

/ vəˈnæd ɪk, -ˈneɪ dɪk /

of or containing vanadium, especially in the trivalent or pentavalent state.

Origin of vanadic

First recorded in 1830–40; vanad(ium) + -ic

This metal has been found in the state of vanadic acid, in a lead ore from Zimapan, in Mexico.

A Dictionary of Arts, Manufactures and Mines |Andrew Ure
Vanadic acid is absorbed by the charcoal, although it is not reduced.

A System of Instruction in the Practical Use of the Blowpipe |Anonymous
Vanadic acid fuses with carbonate of soda upon charcoal, and is absorbed.

A System of Instruction in the Practical Use of the Blowpipe |Anonymous
Vanadic Acid (VO3) fuses upon platinum foil to a deep orange liquid, which becomes crystalline after cooling.

A System of Instruction in the Practical Use of the Blowpipe |Anonymous

This oxytrichloride is a yellow fuming liquid, which is instantly decomposed by water into vanadic and hydrochloric acids.

Cooley's Practical Receipts, Volume II |Arnold Cooley

vanadic

/ (vəˈnædɪk, -ˈneɪdɪk) /

of or containing vanadium, esp in a trivalent or pentavalent state