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Urinary hæmatin; -- applied to the normal coloring matter of the urine, on the supposition that it is formed either directly or indirectly (through bilirubin) from the hæmatin of the blood. See Urochrome, and Urobilin.

To cover or conceal with something that gives a fair appearance; to give a fair coloring to by words; to gloss over; to palliate; as, to varnish guilt. "Beauty doth varnish age." Shak. Close ambition, varnished o'er with zeal. Milton. Cato's voice was ne'er employed To clear the guilty and to varnish crimes. Addison.…

from the mineral cinnabar or artificially. It has a fine red color, and is much used in coloring sealing wax, in printing, etc.

An adhesive disk of dried paste, made of flour, gelatin, isinglass, or the like, and coloring matter, -- used in sealing letters and other documents. Wafer cake, a sweet, thin cake. Shak. -- Wafer irons, or Wafer tongs (Cookery), a pincher-shaped contrivance, having flat plates, or blades, between which wafers are bak…

Coloring matter or dye extracted from this plant.

erbaceous cruciferous plant (Isatis tinctoria). It was formerly cultivated for the blue coloring matter derived from its leaves.

A yellow coloring matter found in yellow autumn leaves, and also produced artificially from chlorophyll; -- formerly called also phylloxanthin.

A peculiar organic red coloring matter found in the feathers of various birds.