perforation holes

См. также в других словарях:

• Perforation — For perforations in an oil well, see Perforation (oil well). For perforation in medicine and surgery, see Organ perforation. A perforation is a small hole in a thin material or web. There is usually more than one perforation in an organized… …   Wikipedia

• perforation — [pʉr΄fə rā′shən] n. 1. a perforating or being perforated 2. a hole made by piercing, ulceration, etc. 3. any of a series of holes punched or drilled, as between postage stamps on a sheet …   English World dictionary

• perforation —    Holes or openings in well casing to permit water inflow into a well [16] …   Lexicon of Cave and Karst Terminology

• perforation — UK [ˌpɜː(r)fəˈreɪʃ(ə)n] / US [ˌpɜrfəˈreɪʃ(ə)n] noun Word forms perforation : singular perforation plural perforations 1) [countable] a small hole, usually one of a series of holes in a surface such as paper 2) a) [countable] medical a small hole… …   English dictionary

• perforation — noun 1. a line of small holes for tearing at a particular place (Freq. 1) • Derivationally related forms: ↑perforate • Hypernyms: ↑hole 2. a hole made in something a perforation of the eardrum • Derivationally …   Useful english dictionary

• perforation — /perr feuh ray sheuhn/, n. 1. a hole, or one of a series of holes, bored or punched through something, as those between individual postage stamps of a sheet to facilitate separation. 2. a hole made or passing through a thing. 3. the act of… …   Universalium

• perforation — per|fo|ra|tion [ ,pɜrfə reıʃn ] noun 1. ) count a small hole, usually one of a series of holes in a surface such as paper 2. ) count a small hole or cut in an organ or tube inside your body, caused by illness or injury a ) count or uncount the… …   Usage of the words and phrases in modern English

• perforation — perforate ► VERB ▪ pierce and make a hole or holes in. DERIVATIVES perforation noun perforator noun. ORIGIN Latin perforare pierce through …   English terms dictionary

• perforation — per|fo|ra|tion [ˌpə:fəˈreıʃən US ˌpə:r ] n formal 1.) [C usually plural] a small hole in something, especially one of a line of holes made in a piece of paper so that it can be torn easily ▪ the perforations in a sheet of stamps 2.) [U] when… …   Dictionary of contemporary English

• perforation — [[t]pɜ͟ː(r)fəre͟ɪʃ(ə)n[/t]] perforations N COUNT: usu pl Perforations are small holes that are made in something, especially in paper. From the perforations on the sides of the paper, she could tell the letter had been written on a computer...… …   English dictionary

• perforation — noun 1 (countable usually plural) a small hole in something, or a line of holes made in a piece of paper so that it can be torn easily: the perforations in a sheet of stamps 2 (U) the making of a hole or holes in something …   Longman dictionary of contemporary English