orifice

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orifice

[′ȯr·ə·fəs]
(electromagnetism)
Opening or window in a side or end wall of a waveguide or cavity resonator through which energy is transmitted.
(science and technology)
An aperture or hole.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

orifice

orifice
A mouth, aperture, opening, perforation, passage, or hole. The size of an orifice normally is fixed.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Beatty added a great many techniques adapted to the Carver Tracto-thrust, but [he] extended the methods from the sutures of the skull to the toes of the feet, including abdominal and orificial work.
The novel offers descriptions of only two shops--one displaying "edible luxuries" (a grim famine joke), the other a druggist--which has the effect of reducing the vertiginous diversity of commodities to two modest suppliers of alimentary and orificial goods.
Motherhood may be seen either as moral (nurturing, sheltering, fertile, chaste) or grotesque (dangerous, defiling, carnal, orificial).
This criticism, which undermined the reputation of women's "orificial" treatments and quite likely other intrusive treatments, may have contributed to declining demand for water cures and rising interest in spa pleasures.