Of pertaining to or containing boron
- of or associated with or produced by or containing boron
- Of, regarding, or containing, boron.
(a.) Of, pertaining to, or containing, boron.
By the fusion of potassium bichromate with boric acid, and extraction of the melt with water, a residue is left which possesses a fine green colour, and is used as a pigment under the name of Guignet's green.