Of a yellowish brown colour, like that of bronze.

One of the four humours of ancient and mediaeval physiology, that was believed to be secreted by the liver and to cause irascibility, anger, and bad temper when present in excess.

(uncountable) The illness yellow fever. / (countable, nautical) A yellow flag used by ships as a warning of disease. / (countable) The fish Caranx bartholomaei.

A telephone directory that lists commercial organizations, organized by type of organization.

Of an animal or reptile having a yellow underside or belly. / (figuratively) Uncourageous, cowardly.

Synonym of white phosphorus

A bright yellow color used for New York taxicabs.

cadmium sulphide when used as a pigment

(chemistry) A yellow azo dye used as a food colouring.

(chemistry) a yellow food colouring now known to be toxic and banned in some countries