trépan usé

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• Trepan — Trépan Trépan usé Un trépan (terme issu du grec trupaô : je perce) est un outil de forage surtout utilisé dans l industrie pétrolière. Il a la forme d un cône unique en acier spécial très dur ou de trois cônes imbriqués ensemble. La surface… …   Wikipédia en Français

• Trépan — Un trépan usé Un trépan (terme issu du grec trupaô : « je perce ») est un outil de forage surtout utilisé dans l industrie pétrolière et dans les travaux publics. Sommaire …   Wikipédia en Français

• trepan — trepan1 [trē pan′, tripan′] n. [ME trepane < ML trepanum < Gr trypanon, carpenters tool, auger, trepan < trypan, to bore < IE * treup < base * ter , to bore, rub > THROW] 1. an early form of the trephine 2. a heavy boring tool… …   English World dictionary

• trepan — I. transitive verb (trepanned; trepanning) Etymology: Middle English, from trepane trephine Date: 15th century 1. to use a trephine on (the skull) 2. to remove a disk or cylindrical core (as from metal for testing) • trepanation noun II. noun …   New Collegiate Dictionary

• trepan — 1. noun a) A tool used to bore through rock when sinking shafts. b) A surgical instrument used to remove a circular section of bone from the …   Wiktionary

• trepan —   n. surgical saw for incision into skull; v.t. use trephine on; decoy; swindle.    ♦ trepanation, n …   Dictionary of difficult words

• Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

• Bomb disposal — Bomb squad redirects here. For the Suburban Legends EP, see Bomb Squad EP. For the hip hop producers, see The Bomb Squad. The long walk :[1] A British Army ATO approaches a suspect device in Northern Ireland …   Wikipedia

• Trepanation — (also known as trepanning, trephination, trephining or burr hole) is surgery in which a hole is drilled or scraped into the Human skull, thus exposing the dura mater in order to treat health problems related to intracranial diseases, though in… …   Wikipedia

• Trepanning — Trepanation redirects here. For other uses, see Trepanation (disambiguation). A detail from The Extraction of the Stone of Madness , a painting by Hieronymus Bosch depicting trepanation (c.1488 1516) Trepanning, also known as trephination,… …   Wikipedia

• ἀπρίωτον — ἀπρί̱ωτον , ἀπρίωτος without the use of the trepan masc/fem acc sg ἀπρί̱ωτον , ἀπρίωτος without the use of the trepan neut nom/voc/acc sg …   Greek morphological index (Ελληνική μορφολογικούς δείκτες)