plural of unit vector

(arithmetic) A fraction whose numerator is 1 and whose denominator is a positive integer; for example, 1/2 or 1/7.

(chemistry) The basic structural unit of a polymer; the monomer unit which has been polymerized.

Any division of quantity accepted as a standard of measurement or exchange; a unit of measure.

(In the SI system of units) Any unit derived from one of the seven base units of length (meter), mass (kilogram), time (second), electric current (ampere), thermodynamic temperature (kelvin), amount of substance (mole) and luminous intensity (candela).

Any standardized, reproducible unit that can be used to measure any physical property.

(linear algebra) An identity matrix

(cinematography) A separate team that shoots footage that is of secondary importance for the final cut of the motion picture, as opposed to first unit.

(cinematography) The team that shoots footage which is of primary importance for the final cut of the motion picture, including all scenes involving actors, or at least stars of the motion picture.

(US) any unit of measurement that is currently used in the United States / any traditional unit of measurement that is used by custom