(idiomatic, Britain, colloquial, humorous) Mad; insane.

(set theory) One of the axioms of set theory, equivalent to the statement that an arbitrary direct product of non-empty sets is non-empty; any version of said axiom, for example specifying the cardinality of the number of sets from which choices are made.

plural of point of sale

In an establishment that sells goods or services, the location at which payment for goods is made.

(literary) time considered as a finite commodity that is gradually running out, as the sand in an hourglass

The elapsing of time.

To change the shape of (an object) to make it smoother and especially more circular or ovoid. / (mathematics) To change a number into an approximation having fewer significant digits.

A governmental department responsible for education and related affairs.

(politics) A period of brutal intimidation and violence by those in power.

plural of term of endearment