CONTINUUM

continuum

(noun) a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts

Source: WordNet® 3.1

Etymology

Noun

continuum (plural continuums or continua)

A continuous series or whole, no part of which is noticeably different from its adjacent parts, although the ends or extremes of it are very different from each other.

A continuous extent.

(mathematics) The set of real numbers; more generally, any compact connected metric space.

(musical instruments) A touch-sensitive strip, similar to an electronic standard musical keyboard, except that the note steps are 1/100 of a semitone, and so are not separately marked.