The quality or state of being superfluous; overflowingness. / Something superfluous, as a luxury. / (rare) Collective noun for a group of nuns.

The act of superseding; the fact of having been superseded.

A person who is authorized to supervise, direct or administer something.

Overseeing; superintending.

(automotive) To increase the power of an internal combustion engine (either Otto or Diesel cycle) by compressing the inlet air with power extracted from the crankshaft.

(heraldry) A charge borne upon an ordinary or other charge. / (electrics, electronics) An instance of supercharging. / Used other than figuratively or idiomatically: see super, charge.

(automotive, internal combustion engines) An inlet air compressor for an internal combustion engine (either Otto or Diesel cycle).

(typography) A type of lettering form that appears as a number, figure, or symbol above the normal line of type, located at the right or left of another symbol or text.

placed above the normal line of text

(mathematics, sciences, typography, transitive, of a variable) To provide with a superscript. / (typography, transitive, of a text) To convert to a superscript form.