perforation
31Perforation der Nasenscheidewand — Perforation (f) der Nasenscheidewand eng perforation of the nasal septum …
32Perforation du tympan — ● Perforation du tympan ouverture accidentelle ou thérapeutique (paracentèse) de la paroi du tympan …
33Perforation, nasal septum — A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides. The hole provides a direct communication between the two normally separate sides of the nose. Perforation of the nasal septum can be due to …
34Perforation (oil well) — A perforation in the context of oil wells, refers to a hole punched in the casing or liner of an oil well to connect it to the reservoir. In cased hole completions, the well will be drilled down past the section of the formation desired for… …
35perforation électrique — elektrinis pramušimas statusas T sritis automatika atitikmenys: angl. electric breakdown vok. elektrischer Durchschlag, m rus. электрический пробой, m pranc. claquage électrique, m; percement électrique, m; perforation électrique, f …
36perforation par laser — lazerinis kiaurymių gręžimas statusas T sritis radioelektronika atitikmenys: angl. laser hole burning vok. Öffnungsbohren mittels Laser, n rus. лазерное просверливание отверстий, n pranc. perforation par laser, f …
37perforation gauge — noun : a calibrated strip of cardboard, celluloid, or metal for determining the perforation number of a stamp * * * Philately. a marked ruler used to measure the number of perforations per unit length along the borders of a stamp. [1890 95] …
38perforation number — noun see perforation 2b …
39perforation — noun Date: 15th century 1. the act or process of perforating 2. a. a hole or pattern made by or as if by piercing or boring b. one of the series of holes (as between rows of postage stamps) in a sheet that serve as an aid in separation …
40perforation — noun a) the act of perforating or the state of being perforated b) any opening in a solid object …