(mathematics) A positive integer that is an exact integer power of another positive integer.

(speedrunning) Of an input, trick etc., to only be possible for the duration of a single frame.

(number theory) A number that is the sum of all of its divisors except itself.

A verb form indicating that an action or state has been completed at the present time, in the past, or shall be completed in the future.

Perfect in appearance as with the subjects in paintings or photographs, without the common imperfections of real life.

(grammar) A tense that expresses action completed at some time in the future; in English it is formed by use of will have (or shall have) and a past participle

(grammar) A perfect tense that expresses action in the past (usually completed) with consequences in the present time.

(grammar) A combination of the conditional mood and the perfect tense, roughly corresponding to English 'I would have...'

In Mahayana Buddhism, the six virtues which the bodhisattva must practice in their avowed pursuit of bringing all beings to enlightenment through bodhicitta; they are dana (munificence), sila (ethicality), ksanti (patience), virya (determination), dhyana (meditation), and prajna (wisdom).

(baseball) A game in which every batter on one team is retired without reaching base. / (bowling) A game in which the highest score possible is achieved, entailing a strike in every frame.