(perpendicular) section
1Section — 1) In anatomy, a slice of tissue. A biopsy obtained by surgery is usually sectioned (sliced), and these sections are inspected under a microscope. 2) In obstetrics, short for Caesarian section. 3) In surgery, the division of tissue during an… …
2Radar cross section — (RCS) is a measure of how detectable an object is with a radar. For example a stealth aircraft (which is designed to be undetectable) will have design features that give it a low RCS, as opposed to a passenger airliner that will have a high… …
3Conic section — Types of conic sections: 1. Parabola 2. Circle and ellipse 3. Hyperbola …
4cross section — 1. a section made by a plane cutting anything transversely, esp. at right angles to the longest axis. 2. a piece so cut off. 3. a photograph, diagram, or other pictorial representation of such a section. 4. the act of cutting anything across. 5.… …
5Neutron cross section — Science with Neutrons Foundations Neutron temperature Flux · Radiation  …
6Principal section — Principal Prin ci*pal, a. [F., from L. principalis. See {Prince}.] 1. Highest in rank, authority, character, importance, or degree; most considerable or important; chief; main; as, the principal officers of a Government; the principal men of a… …
7Optical cross section — or OCS is a value which describes the maximum amount of optical flux reflected back to the source. The standard unit of measurement is . It is dependent on the geometry and the reflectivity at a particular wavelength of an object. Optical cross… …
8Toric section — A toric section is an intersection of a plane with a torus, just as a conic section is the intersection of a plane with a cone. Mathematical formulaeIn general, toric sections are fourth order (quartic) plane curvesof the form:left( x^{2} + y^{2} …
9cross section — noun 1. a section created by a plane cutting a solid perpendicular to its longest axis (Freq. 3) • Derivationally related forms: ↑cross sectional • Hypernyms: ↑section, ↑plane section • Hyponyms: ↑profile …
10oblique 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 …
