Definition, synonyms and related words
Clipping of performance.
"The manager decided to give him a pay cut as a perf for his poor quarterly results."
Clipping of perforate.
"The perf on these stamps is sharp enough to separate them cleanly without tearing the paper."
Abbreviation of perforated. When followed by a number, eg, perf 14, this indicates the number of perforations per two centimetres.
"The collector noted that while most sheets were machine-perf, this rare issue was hand-perf with irregular spacing and no standard measurement like perf 14."