…any of the more or less distinct parts into which something is or may be divided or from which it is made up…
…a figure formed by the intersection of a plane and a right circular cone. Depending on the angle of the plane with respect to the cone, a conic section may be a circle, an ellipse, a parabola, or a hyperbola…
…a surface or shape that is or would be exposed by making a straight cut through something, especially at right angles to an axis…
…a crew of railroad workers responsible for maintaining a particular section of track…
…a building providing residential accommodation for unmarried police officers…
…a thin, flat piece of material prepared for examination with a microscope, in particular a piece of rock about 0.03 millimeters thick, or, for electron microscopy, a piece of tissue about 30 nanometers thick…
…the division of a line so that the whole is to the greater part as that part is to the smaller part (i.e., in a ratio of 1 to 12 (√5 + 1)), a proportion that is considered to be particularly pleasing to the eye…
…a quarter of a square mile of land; 160 acres (approximately 64.7 hectares)…
…the part of a pop or jazz group supplying the rhythm, generally regarded as consisting of bass and drums and sometimes piano or guitar…
…each of a series of thin sections through tissue cut in successive parallel planes, especially for mounting on microscope slides…
…a surgical operation for delivering a child by cutting through the wall of the mother’s abdomen…
…denoting cheap seating located in an extremely high position in a sports stadium, large theater, or concert hall…
…the intersection of a Poincaré map representation with a given line, plane, etc.…
…(in the UK) a nautical counterpart of the SAS, provided by the Royal Marines…
