A bug or an exploit.
A sudden increase in the rotational frequency of a pulsar.
A problem affecting function.
A genre of experimental electronic music since the 1990s, characterized by a deliberate use of sonic artifacts that would normally be viewed as unwanted noise.
An unexpected behavior in an electrical signal, especially if the signal spontaneously returns to expected behavior after a period of time.
To perform an exploit or recreate a bug while playing a video game.
To experience an unexpected, typically intermittent malfunction.
The genuinity - as distinguished from the efficacity or the regularity - of a sacrament as a result of some formal dispositions being fulfilled.
The state of being valid, authentic or genuine.
State of having legal force.
A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).