- operating field
- operative field an isolated area where surgery is performed; it must be kept sterile by aseptic techniques (q.v.). Called also surgical f.
Medical dictionary. 2011.
Medical dictionary. 2011.
Operating microscope — An operating microscope is an optical microscope specifically designed to be used in a surgical setting, typically to perform microsurgery. Design features of an operating microscope are: magnification typically in the range from 4x 40x,… … Wikipedia
Field Day — is an annual amateur radio exercise, widely sponsored by IARU regions and member organizations, encouraging emergency communications preparedness among amateur radio operators. In the United States, it is typically the largest single emergency… … Wikipedia
Operating system — Operating systems … Wikipedia
operating against the enemy — Operating in the field of hostilities, in the area where the enemy is to be found. Troops in instruction camps across the ocean from the field of war are not operating against the enemy within the meaning of a statute giving officers serving with … Ballentine's law dictionary
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field — [fēld] n. [ME feld < OE, akin to Ger feld, Du veld < IE * pelt < base * pele , * pla , flat and broad > L planus, plane, Gr palamē, flat hand] 1. a wide stretch of open land; plain 2. a piece of cleared land, set off or enclosed, for… … English World dictionary
field-test — ☆ field test [field′test΄ ] vt. to test (a device, method, etc.) under actual operating conditions … English World dictionary
Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… … Wikipedia
Field-effect transistor — FET redirects here. For other uses, see FET (disambiguation). High power N channel field effect transistor The field effect transistor (FET) is a transistor that relies on an electric field to control the shape and hence the conductivity of a… … Wikipedia