simple past tense and past participle of screw around

present participle of screw around

An arrangement for producing slow motion in machinery, consisting of a screw whose thread gears into a wheel with skew teeth.

plural of screw-you

plural of screw you

(engineering) A mechanism that uses two screw threads to make small, precise adjustments to the spacing between two objects, as in focusing a microscope or moving the anvils of a micrometer.

A breech pin.

(nautical) A form of jack screw for lifting large bodies and assisting in launching. / A long screw formerly used to fasten a bedpost to one of the adjacent side pieces.

(engineering) A screwlike device invented by Greek mathematician Archimedes, ca. 200 B.C.E., which when twisted inside a cylinder, raises water from a lower level to a higher level, allowing irrigation of fields.

(idiomatic) To increase the pressure of a situation.