(rare, nonstandard) Political correctness.

(astronomy) The difference between the bolometric magnitude and visual magnitude of a star

(politics) Possessing or conforming to the correct political positions; following the official policies of the government or a political party.

(transitive) To modify in a way that is more respectful to minorities. / (transitive) To modify in a way that conforms more to the official position of a government or political party.

(idiomatic) To acknowledge, after someone else's correction of a statement one made, that this statement was indeed incorrect and that this correction is justified.

plural of corrections officer

A jailer.

An opaque fast-drying liquid used to cover a mistake written or typed on a piece of paper.

plural of correcting fluid

(uncountable) Avoidance of expressions or actions that can be perceived to exclude, marginalize or insult people who are socially disadvantaged or discriminated against.