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A division of the Caucasian races, comprising the lighter- colored members.

Having a yellowish or fair complexion; of or pertaining to the Xanthochroi.

A person having xanthochroid traits.

Abnormal coloration of feathers in which yellow replaces the normal color, as in certain parrots. It is commonly due to lack of the dark pigment which with yellow forms green.

Having yellow teeth.

The hypothetical radical supposed to be characteristic of xanthic acid. [Archaic]

A salt of xanthic acid.

Producing a yellow color or compound; xanthic. See Xanthic acid, under Xanthic.

A skin disease marked by the development or irregular yellowish patches upon the skin, especially upon the eyelids; -- called also xanthelasma.

Of or pertaining to xanthoma.

Of or pertaining to the lighter division of the Melanochroi, or those races having an olive or yellow complexion and black hair.

The yellow pigment present in the inner segments of the retina in animals. See Chromophane.

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

Having a yellow stipe, or stem.

Pertaining to, or derived from, xanthoprotein; showing the characters of xanthoprotein; as, xanthoproteic acid; the xanthoproteic reaction for albumin.

A yellow acid substance formed by the action of hot nitric acid on albuminous or proteid matter. It is changed to a deep orange- yellow color by the addition of ammonia.

One of three alkaloids found in the root of the yellow puccoon (Hydrastis Canadensis). It is a yellow crystalline substance, and resembles berberine.

A glucoside extracted from Persian berries as a yellow crystalline powder, used as a dyestuff.

A genus of shrubby ranunculaceous plants of North America, including only the species Xanthorhiza apiifolia, which has roots of a deep yellow color; yellowroot. The bark is intensely bitter, and is sometimes used as a tonic.

A genus of endogenous plants, native to Australia, having a thick, sometimes arborescent, stem, and long grasslike leaves. See Grass tree.