(countable, uncountable) Brassica oleracea var. capitata f. alba, a cabbage plant with white leaves grown in northern and central Europe.

A cetacean, Delphinapterus leucas, found in the Arctic Ocean. / (figuratively) An obsession; monomania.

The state or temperature at which matter emits white light. / A state of intensive activity.

(obsolete, rare) Mark's point; bullseye.

plural of white whale

(chemistry, obsolete) A heavy white amorphous powder (NH₂.HgCl) obtained by adding ammonia to a solution of mercuric chloride or corrosive sublimate; amido-mercuric chloride.

(chemistry) Barium sulphate (heavy spar), used as a white pigment or paint, in distinction from white lead, which tarnishes and darkens from the formation of the sulphide.

arsenic trioxide, arsenious acid

The White Hmong language.

A Hmongic lect spoken in Laos and elsewhere, including among Hmong American communities, and written using the Latin or Pahawh Hmong scripts.