An entity which is part of, and participates in, a larger social group or society.

plural of natural unit

plural of Planck unit

(physics) Any of a group of related physical units defined in terms of natural constants.

(physics) Any one of several natural units in a system originally proposed by Max Planck based on universal constants. Symbols for Planck units are the symbol for the physical quantity with a subscript P.

plural of unit interval

(Australia, law) An amount, used as a basis of a penalty fine, which can be adjusted by the government without the need to pass new legislation.

(neurology) A neuron with its associated muscle fibres.

A unit of measurement of window frames, treating the combined width and height in inches as a single measure of length.

plural of united inch