incumbent noun [C]. âº the âperson who has or had a âparticular âofficial âposition: the first/last/âprevious incumbent The âpresent incumbent (of the âpost) is âdue to âretire next âmonth. (Definition of incumbent from the Cambridge Advanced Learners Dictionary & Thesaurus Â© Cambridge University Press). See all translations.
In music, a linear progression (Auskomponierungszug or Zug, abbreviated: Zg. ) is a passing note elaboration involving stepwise melodic motion in one direction between two harmonic tones.  The compositional unfolding of a specific interval, one of the intervals of the chord of nature.
linear. 1  Of, relating to, or resembling a line; straight. 2  a. In, of, describing, described by, or related to a straight line. b. Having only one dimension. 3  Characterized by, composed of, or emphasizing drawn lines rather than painterly effects. 4  Botany Narrow and elongated with nearly parallel margins: a linear leaf.