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section US English

Any of the more or less distinct parts into which something is or may be divided or from which it is made up

section US Thesaurus

the separate sections of a train

C-section US English

A caesarean section

black section US English

A grouping of non-white members of a Constituency Labour Party, aiming to represent the interests of non-whites.

conic section US English

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

cross section US English

A surface or shape that is or would be exposed by making a straight cut through something, especially at right angles to an axis

section gang US English

A crew of railroad workers responsible for maintaining a particular section of track

section hand US English

A member of a section gang

section house US English

A building providing residential accommodation for unmarried police officers

section mark US English

The sign §, used as a reference mark or to indicate a section of a book

section mill US English

A rolling mill for producing bars of particular cross-sections, such as channels, T-bars, and I-bars.

thin section US English

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

colour section US English

= colour supplement.

golden section US English

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

midship section US English

The cross-section of a ship at its broadest point; the notional line marking this point and dividing fore from aft.

quarter section US English

A quarter of a square mile of land; 160 acres (approximately 64.7 hectares)

rhythm section US English

The part of a pop or jazz group supplying the rhythm, generally regarded as consisting of bass and drums and sometimes piano or guitar

school section US English

An area of land of which the revenue is used by a government for the building and maintenance of schools.

serial section US English

Each of a series of thin sections through tissue cut in successive parallel planes, especially for mounting on microscope slides

cesarean section US English

A surgical operation for delivering a child by cutting through the wall of the mother’s abdomen

magazine section US English

A section in a newspaper the contents of which resemble a magazine.

principal section US English

The cross-section of a crystal containing its optic axis and the direction of a given ray of light.

quarter-acre section US English

A standard suburban building plot, formerly approximately a quarter of an acre in size

nosebleed US English

Denoting cheap seating located in an extremely high position in a sports stadium, large theater, or concert hall

section something off in section US English

Separate an area from a larger one

midsection US English

The middle part of something

subsection US English

A division of a section

Poincaré section in Poincaré map US English

The intersection of a Poincaré map representation with a given line, plane, etc.

Special Boat Service US English

(In the UK) a nautical counterpart of the SAS, provided by the Royal Marines

Poincaré surface of section in Poincaré surface US English

(More fully Poincaré surface of section) the intersection of a Poincaré map with a given plane.