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单词 semi-closed
释义

> as lemmas

semi-closed
semi-closed adj.
Brit. /ˌsɛmɪˈkləʊzd/
,
U.S. /ˌsɛˌmaɪˈkloʊzd/
,
/ˌsɛmiˈkloʊzd/
(a) Fortification (see quot. 1888); (b) Medicine applied to methods of administering anæsthetics employing a gas supply that is closed from the atmosphere and in excess of the patient's needs, the excess being vented to the atmosphere; (cf. open adj. 21, semi-open adj.).
ΚΠ
1888 Pall Mall Gaz. 12 June 3/2 The works in which these guns should..be mounted..must be of the kind known technically as ‘semi-closed’, strong enough to prevent a detachment taking them in the rear.
1914 J. T. Gwathmey Anesthesia vi. 272 Semi-Closed method.—Martin Ware has reported one or two thousand cases without a fatality.
1977 Proc. Royal Soc. Med. 70 784/2 Anaesthesia with spontaneous breathing usually employs a semi-closed circuit.
extracted from semi-prefix
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