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trepan    
n. 環鋸,鉆孔機
vt. 用環鋸行手術,誘入圈套,欺騙

環鋸,鑽孔機用環鋸行手術,誘入圈套,欺騙

trepan
n 1: a surgical instrument used to remove sections of bone from
the skull [synonym: {trepan}, {trephine}]
2: a drill for cutting circular holes around a center
v 1: cut a hole with a trepan, as in surgery

Trepan \Tre*pan"\, n. [F. tr['e]pan (cf. Sp. tr['e]pano, It.
trepano, trapano), LL. trepanum, fr. Gr. ? a borer, auger,
trepan, fr. ? to bore, ? a hole. Cf. {Trephine}.]
1. (Surg.) A crown-saw or cylindrical saw for perforating the
skull, turned, when used, like a bit or gimlet. See
{Trephine}.
[1913 Webster]

2. (Mining) A kind of broad chisel for sinking shafts.
[1913 Webster]


Trepan \Tre*pan"\, v. t. & i. [imp. & p. p. {Trepanned}; p. pr.
& vb. n. {Trepanning}.] [Cf. F. tr['e]paner. See {Trepan} a
saw.] (Surg.)
To perforate (the skull) with a trepan, so as to remove a
portion of the bone, and thus relieve the brain from pressure
or irritation; to perform an operation with the trepan.
[1913 Webster]


Trepan \Tre*pan"\, n. [See {Trapan}.]
1. A snare; a trapan.
[1913 Webster]

Snares and trepans that common life lays in its way.
--South.
[1913 Webster]

2. a deceiver; a cheat.
[1913 Webster]

He had been from the beginning a spy and a trepan.
--Macaulay.
[1913 Webster]


Trepan \Tre*pan"\, v. t.
To insnare; to trap; to trapan.
[1913 Webster]

Guards even of a dozen men were silently trepanned from
their stations. --De Quincey.
[1913 Webster]

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  • Trepanning - Wikipedia
    Trepanning, also known as trepanation, trephination, trephining or making a burr hole (the verb trepan derives from Old French from Medieval Latin trepanum from Greek trúpanon, literally "borer, auger"), [1][2] is a surgical intervention in which a hole is drilled or scraped into the human skull
  • Trepanning - Sandvik Coromant
    Sandvik Coromant provides knowledge on trepanning, a drilling process used to create large holes in various materials
  • TREPAN Definition Meaning - Merriam-Webster
    trepanation ˌtre-pə-ˈnā-shən noun trepan 2 of 4 noun (1) tre· pan ˈtrē-ˌpan tri-ˈpan : a heavy tool used in boring mine shafts
  • Trepanning Specialties
    Trepanning Specialties has the in-house facilities and expertise to trepan or gundrill materials as common as stainless steel to the more "exotic" metals such as Titanium, as well as non-metallic materials such as wood and plastics to make hollow round bars
  • Trepanning Manufacturing Basics - Engineers Edge
    Trepanning Manufacturing Basics Manufacturing Menu Trepanning Manufacturing Basics Trepanning is a manufacturing process used to produce holes or circular grooves by using one or more cutters and revolving them around a center Trepanning machining is used to produce the following features and parts: Low volume disks from flat stock Disks can be fabricated up to 25 (6 35mm) thick and 6
  • Trepan - definition of trepan by The Free Dictionary
    1 To bore (a shaft) with a trepan 2 To bore or otherwise make a hole in (the skull), as in certain prehistoric cultures or in surgery using a trephine
  • TREPAN | definition in the Cambridge English Dictionary
    TREPAN meaning: 1 a tool used to make a hole in the skull of a person: 2 to make a hole in the skull of a… Learn more
  • What Is Trepanning: Exploring Large-Diameter Hole Creation
    What sets trepanning apart is the ability to carve out circular or even uniquely shaped openings, thanks to the specialized cutting tool employed — a trepan Imagine a hollow cylinder outfitted with teeth at its edge, designed to cut through metal like a cookie cutter through dough
  • Trepanning for very expensive materials and alloys - Dearborn, Inc
    Materials that we trepan regularly include Inconel ®, titanium, Hastelloy ®, heat treated stainless steel, beryllium, aluminum, brass, plastics and composites, copper, etc
  • Trepanning - American Hollow Boring
    Trepanning is a drilling process that leaves a core Trepanning is a deep hole drilling process that has broad application over many industries





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