Entries starting with S

604 entries.

shackle

A restraint fitted over a human or animal appendage, such as an ankle, finger, or wrist, normally used in a pair joined by a chain.

shaft

A component of a loom which holds the heddles and is raised by treadles to create the shed.

shamble

One of a succession of niches or platforms, one above another, to hold ore which is thrown successively from platform to platform, and thus raised to a higher level.

shank

A large ladle for molten metal, fitted with long bars for handling it.

shaper

Any agent that shapes (something), whether literally or figuratively.

shaving horse

A device that allows a woodworker to sit astride it while it clamps onto a piece of wood which is being worked.

shaving tool

An implement that removes a small amount of material around the edges of a previously blanked stamping or piercing.

shawl collar

A collar that is turned over on a garment that seamlessly combines with the lapels to form a continuous, unbroken curving line from the neck down the front.

shear centre

The point where a shear force can act without producing any twist in the section. In general not the centroid, but a point through which a force transverse to the axis of a beam section can act and not cause any twisting of the beam section.

sheep-split

nounManufacturingdated

A split or strip of a sheepskin; one of the thin sections made by splitting a sheepskin with a cutting knife or machine.

sheet rock

Prehardened plaster of Paris (gypsum) sold in large panels and used as a wall surface in building construction.

shift

The extent, or arrangement, of the overlapping of plank, brick, stones, etc., that are placed in courses so as to break joints.

shimming

Applying one or more shims to an assembly to adjust the position of one or more of its parts.

shimstock

Stock (material) suitable for making shims; often in the form of sheets of metal, plastic, or wood of various thicknesses, ready to have pieces cut out of them as needed.

shingle

To hammer and squeeze material in order to expel cinder and impurities from it, as in metallurgy.

ship lift

A device consisting of a structural platform which can be used to launch ships by lowering them into the water, or to lift them into dry dock.

shirr

To make gathers in textiles by drawing together parallel threads.

shirt

An article of clothing that is worn on the upper part of the body, often with sleeves that cover some or all of the arms.

shisha

A type of embroidery with small pieces of reflective metal attached to the fabric.

shock absorber

A mechanical device designed to smooth out or damp any sudden shock impulse and dissipate kinetic energy; usually consists of a combination of a spring and a dashpot.

short block

An engine subassembly comprising the portion of the cylinder block below the cylinder head gasket but above the oil pan (and including neither).

short circuit

A usually unintentional connection of low resistance or impedance in a circuit such that excessive and often damaging current flows in it.

shot sample

A sample taken for assay from a molten metallic mass by pouring a portion into water to granulate it.

shoulder belt

A seat belt worn over one shoulder and diagonally across the upper body (following the lower margin of the ribcage as it descends), providing restraint for the upper torso (often coupled with a lap belt which restrains the pelvic area and prevents submarining).

shunt

A switch on a railway used to move a train from one track to another.

shunting neck

A length of dead-end track, e.g. alongside a main line, used for the purpose of allowing a train to shunt back into a siding or rail yard without the need for the train to occupy a running line.

shutter

A panel used to contain freshly poured concrete, which is usually removed when the concrete hardens.