(sewing) A pair of scissors with zigzag cutting edges, used to cut fabric: the zigzag edge helps keep the fabric from fraying.

(meteorology, weather, aviation) A change of wind speed, direction, and magnitude over a short spatial distance.

plural of shear wave

(physics) A wave that changes the medium through which it travels to change its shape but not its volume or density.

(physics) the component of stress that causes parallel layers of a material to move relative to each other in their own planes.

(mechanics) 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.

A steel suitable for shears, scythes, and other cutting instruments, prepared from fagots of blistered steel by repeated heating, rolling, and tilting, to increase its malleability and fineness of texture.

(uncountable) Resistance to flowing. / (countable) The measure of resistance to flowing.

plural of shear-cake

(mining) A counterweighted refractory slab used as a gate or door to a small furnace or oven.