A question mark.

plural of interrogation point

plural of interrogation-point

Alternative spelling of interrogation point

(mathematics, topology) A point in a set S that has a neighbourhood which is contained in S.

(grammar) · (the Greek punctuation mark used in place of a semicolon in English).

plural of interior point

(law) A point subtracted from a person's driver's license upon conviction of a driving offense, the accumulation of which may lead to additional penalties and/or loss of driving privileges.

The position (at the 762nd digit after the decimal point) in the decimal expansion of pi at which a sequence of six consecutive nines first appears, unexpectedly early in view of the expected and otherwise apparent randomness of said expansion.

(photography, of a camera) Designed for quick, simple use with minimal configuration.