A particular way of phrasing an idea.
A colloquialism or idiom.
The expression "break a leg!" should not be taken literally.
A facial appearance usually associated with an emotion.
(mathematics) An arrangement of symbols denoting values, operations performed on them, and grouping symbols.
(biology) The process of translating a gene into a protein.
(programming) A piece of code in a high-level language that returns a value.
Of a mother, the process of expressing milk.