a work shift that covers late evening and early morning hours.

A type of work cycle, most commonly at a manufacturing plant or institution, with shifts worked four days in a row, followed by four days off in a row. It can also commonly be implemented as working four days in a row with three days off, then working three days in a row with four days off; switching every week.

A radical change in thinking from an accepted point of view to a new one, necessitated when new scientific discoveries produce anomalies in the current paradigm.

The practice of recording a broadcast with the intention of watching or listening to it later at a more convenient time.

(chemistry, physics) The change in the nuclear magnetic resonance frequency of a nucleus depending on its electronic environment; used in NMR spectroscopy to determine the structure of molecules.

(physics) a small difference in the transition energies of isotopes that corresponds to a given spectral line transition

(historical, US, automotive) An early mechanism that synchronized the speeds of gear wheels when changing gear in an automobile.

The key on a typewriter used to select uppercase letters and certain special characters by physically moving the mechanism

(automotive) That part of a gearbox involved in changing gear, including the lever and the forks attached to it. / (automotive, US, Canada) The lever or other interface a human uses to shift gears.

(US) A work shift between a day shift and a night shift, such as from 4PM to midnight, and the group of workers scheduled to work such a shift at a facility.