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A rare element of the nitrogen-phosphorus group, found combined, in vanadates, in certain minerals, and reduced as an infusible, grayish-white metallic powder. It is intermediate between the metals and the non-metals, having both basic and acid properties. Sumbol V (or Vd, rarely). Atomic weight 51.2.…

A yellow pigment consisting of a compound of vanadium.

some other metal alloyed with the iron, usually chromium, nickel, manganese, tungsten, or vanadium.

A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.

A name originally given (from its red acid) to the metal vanadium. [R.]

een amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black.

rotochromium, protocopper, protonickel, protosilicon, protostrontium, prototitanium, protovanadium. -- Pro`to*me*tal"ic (#), a.

Pertaining to, or designating, an acid of vanadium, analogous to pyrophosphoric acid.

ccurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.

Pertaining to, or obtained from, vanadium; containing vanadium; specifically distinguished those compounds in which vanadium has a relatively higher valence as contrasted with the vanadious compounds; as, vanadic oxide. Vanadic acid (Chem.), an acid analogous to phosphoric acid, not known in the free state but forming…

Pertaining to, or containing, vanadium; specifically, designating those compounds in which vanadium has a lower valence as contrasted with the vanadic compounds; as, vanadious acid. [Sometimes written also vanadous.]

Of or pertaining to vanadium; obtained from vanadium; -- said of an acid containing one equivalent of vanadium and two of oxygen.

The hypothetical radical VO, regarded as a characterized residue of certain vanadium compounds.