semi-openadj.

Etymology: semi- prefix 1a(a), 2c(a)Previous versions of the OED give the stress as: semi-ˈopen.

Partially open; spec. in Medicine, applied to methods of administering anæsthetics in which the inspired gas is atmospheric air partially restricted or controlled by some device. Cf. open adj. 21, semi-closed adj. (b) s.v. semi- prefix 2c.

ΘΚΠ

the world > health and disease > healing > medical treatment > anaesthetization, pain-killing, etc. > [adjective] > anaesthetized > method of anaesthetizing

open1888

semi-open1914

1914 J. T. Gwathmey Anesthesia vi. 276 If ethyl chlorid [sic] is administered to adults from an open or semi-open inhaler large quantities of the drug will be needed to bring about even partial anesthesia.

1972 J. C. Snow Anesthesia v. 39 The Ayre T-tube system is another example of an open or semi-open system.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).

单词	semi-open
释义	semi-openadj. Etymology: semi- prefix 1a(a), 2c(a)Previous versions of the OED give the stress as: semi-ˈopen. Partially open; spec. in Medicine, applied to methods of administering anæsthetics in which the inspired gas is atmospheric air partially restricted or controlled by some device. Cf. open adj. 21, semi-closed adj. (b) s.v. semi- prefix 2c. ΘΚΠ the world > health and disease > healing > medical treatment > anaesthetization, pain-killing, etc. > [adjective] > anaesthetized > method of anaesthetizing open1888 semi-open1914 1914 J. T. Gwathmey Anesthesia vi. 276 If ethyl chlorid [sic] is administered to adults from an open or semi-open inhaler large quantities of the drug will be needed to bring about even partial anesthesia. 1972 J. C. Snow Anesthesia v. 39 The Ayre T-tube system is another example of an open or semi-open system. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < adj.1914
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