ratch : KMLE 의학 검색 엔진 - 의학사전, 의학용어, 의학약어, 의학논문, 약품/의약품 검색

CancerWEB 영영 의학사전 맞춤 검색 결과 : 2 페이지: 1

ratch	<zoology> Same as Rotche. Source: Websters Dictionary (01 Mar 1998)
ratchet	1. A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc. 2. A mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch. Ratchet brace, a circular wheel having teeth, usually angular, with which a reciprocating pawl engages to turn the wheel forward, or a stationary pawl to hold it from turning backward. In the cut, the moving pawl c slides over the teeth in one direction, but in returning, draws the wheel with it, while the pawl d prevents it from turning in the contrary direction. Origin: Properly a diminutive from the same word as rack: cf. F. Rochet. See Ratch, Rack the instrument. Source: Websters Dictionary (01 Mar 1998)

ratch

<zoology> Same as Rotche.
Source: Websters Dictionary
(01 Mar 1998)

ratchet

1. A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc.
2. A mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch. Ratchet brace, a circular wheel having teeth, usually angular, with which a reciprocating pawl engages to turn the wheel forward, or a stationary pawl to hold it from turning backward.
In the cut, the moving pawl c slides over the teeth in one direction, but in returning, draws the wheel with it, while the pawl d prevents it from turning in the contrary direction.
Origin: Properly a diminutive from the same word as rack: cf. F. Rochet. See Ratch, Rack the instrument.
Source: Websters Dictionary
(01 Mar 1998)