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.
Synonyms
• (set of real numbers): ℝ (translingual)
Source: Wiktionary