plane of section
91projected section — The result of projecting a section composed of several parts with differing directions onto a single plane. Usually the plane is vertical along the general trend of the cave. The horizontal distance apart of points is not correct, only the… …
92cross-section — /ˈkrɒs sɛkʃən / (say kros sekshuhn) noun 1. a section made by a plane cutting anything transversely, especially at right angles to the longest axis. 2. a piece so cut off. 3. the act of cutting anything across. 4. a typical selection; a sample… …
93SOE F Section timeline — Timeline of events in the history of Section F of the Special Operations Executive. See also SOE F Section networks. * The relevant modern administrative département numbers are added, after several of the place names, so as to facilitate the… …
94SOE F Section networks — These are the networks, also known as circuits, (or réseaux to their French participants) established in France by F Section of the British Special Operations Executive during the Second World War. See also SOE F Section timeline.Acolyte*Robert… …
95Ground plane — ground ground (ground), n. [OE. ground, grund, AS. grund; akin to D. grond, OS., G., Sw., & Dan. grund, Icel. grunnr bottom, Goth. grundus (in composition); perh. orig. meaning, dust, gravel, and if so perh. akin to E. grind.] 1. The surface of… …
96Jack plane — Jack Jack (j[a^]k), n. [F. Jacques James, L. Jacobus, Gr. ?, Heb. Ya aq[=o]b Jacob; prop., seizing by the heel; hence, a supplanter. Cf. {Jacobite}, {Jockey}.] [1913 Webster] 1. A familiar nickname of, or substitute for, John. [1913 Webster] You… …
97Cross section (geometry) — For cross sections in architecture and engineering, see Multiview orthographic projection#Cross section …
98cross section — n. 1. a) a cutting through something, esp. at a right angle b) a piece so cut off c) a drawing or photograph of a plane surface exposed by such a cutting 2. a sample that has enough of each kind in it to show what the whole is like 3. Nuclear… …
99oblique section — noun : a section in a mechanical drawing that is neither a cross section nor a longitudinal section * * * a representation of an object as it would appear if cut by a plane that is other than parallel or perpendicular to its longest axis …
100principal section — noun 1. : a plane passing through the optical axis of a crystal; specifically : the principal plane that contains either the wave normal or the ray of light under discussion 2. : a plane perpendicular to the edge of an optical prism …
