(organic chemistry, countable) Any of various hydroxy, carbonyl or carboxylic acid derivatives of carotenes. / (organic chemistry, uncountable) Lutein.

A person who is critical of Brexit.

(botany) A rounded tooth or notch of a crenate leaf, or any part that is crenate; a crenelle. / The state of being crenated or notched.

(chemistry) Any salt of tungstic acid.