Perf

Perf: PP

Short for perforation. Square holes in the side of a roll of film that are used to wind it through the camera or projector's mechanism. Standard 35mm has 4 perfs per frame but sometimes a 3-perf configuration is used. See also sprockets.

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Perf — Gewässerkennzahl DE: 25814 Lage Landkreis Marburg Biedenkopf, Mittelhessen, Deutschland Flusssystem Rhein … Deutsch Wikipedia
perf — perf; perf·ins; … English syllables
perf — abbrev. 1. perfect 2. Philately perforated * * * … Universalium
perf — (performance) theater or movie show (Slang) … English contemporary dictionary
perf — abbrev. 1. perfect 2. Philately perforated … English World dictionary
perf — perfusion [ pɛrfyzjɔ̃ ] n. f. • 1912; « action de répandre, d asperger » 1374; de per, d apr. transfusion ♦ Méd. Injection lente et continue de sérum. Être sous perfusion. Abrév. fam. (1975) PERF [ pɛrf ]. Pied de, à perfusion; abrév. pied de, à… … Encyclopédie Universelle
Perf — perfusion or perfusionist * * * perf abbr perforated; perforation … Medical dictionary
perf — perforation * * * perf abbr perforated; perforation … Medical dictionary
perf — See hi Perf … Dictionary of automotive terms
perf. — 1. perfect. 2. perforated. 3. performance. * * * abbrev Perfect * * * perf., 1. perfect. 2. perforated (of stamps). 3. performance. 4. performed … Useful english dictionary

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