reamer

reamer
A rotating finishing or drilling tool used to shape or enlarge a hole in bone or a tooth. [A.S. ryman, to widen]
- engine r. an engine-mounted spirally bladed instrument, used for enlarging the root canals of teeth.
- intramedullary r. a rasp used for shaping the intramedullary canal of a large bone before inserting an appliance or prosthesis.

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ream·er 'rē-mər n an instrument used in dentistry to enlarge and clean out a root canal

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n.
an instrument used in endodontics to prepare the walls of a root canal for root canal treatment.

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ream·er (rēmґər) in root canal therapy, an engine-driven or hand-operated instrument for canal enlargement, consisting of a serrated triangular shaft twisted into a loosely spiraled form.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Reamer — Ream er ( [ e]r), n. One who, or that which, reams; specifically, an instrument with cutting or scraping edges, used, with a twisting motion, for enlarging a round hole, as the bore of a cannon, etc. [1913 Webster] …   The Collaborative International Dictionary of English

  • reamer — [rēmər] n. a person or thing that reams; specif., a) a sharp edged tool for enlarging or tapering holes b) JUICER c) an implement for scraping out the caked lining of a pipe bowl …   English World dictionary

  • Reamer — otheruses4|the metalworking tool|the kitchen utensil|Lemon reamerA reamer or ream is a tool used in machining to make existing holes dimensionally more accurate and to improve surface finish. Reamers are used mostly in the metalworking areas of… …   Wikipedia

  • reamer — /ree meuhr/, n. 1. any of various rotary tools, with helical or straight flutes, for finishing or enlarging holes drilled in metal. 2. any bladelike pick or rod used for scraping, shaping, or enlarging a hole: a pipe reamer. 3. a kitchen utensil… …   Universalium

  • reamer — A conically or cylindrically shaped tool with longitudinally cut teeth for manual or machine operation, used for precision finishing of bores. See terminal reamer tubing reamer valve guide reamer …   Dictionary of automotive terms

  • reamer — ream•er [[t]ˈri mər[/t]] n. 1) mel any of various rotary tools, with helical or straight flutes, for finishing or enlarging holes drilled in metal 2) cvb any bladelike pick or rod used for scraping, shaping, or enlarging a hole: a pipe… …   From formal English to slang

  • reamer — noun 1. a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit • Syn: ↑juicer, ↑juice reamer • Derivationally related forms: ↑ream • Hypernyms: ↑squeezer 2. a drill that is used to shape or enlarge holes …   Useful english dictionary

  • reamer — noun Date: 1825 one that reams: as a. a rotating finishing tool with cutting edges used to enlarge or shape a hole b. a fruit juice extractor with a ridged and pointed center rising from a shallow dish …   New Collegiate Dictionary

  • reamer — noun a) A tool for boring a hole wider. b) A device for rendering citrus juice …   Wiktionary

  • reamer — Смотри Развертка …   Энциклопедический словарь по металлургии

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