intermittence
noun
in·ter·mit·tence ˌin-tər-ˈmi-tən(t)s 
: the quality or state of being intermittent
Example Sentences
Recent Examples on the Web Storage solves the intermittence problem associated with solar and wind, while transmission lines help link wind- or solar-abundant areas to population centers. 
Jinjoo Lee, WSJ, 9 Aug. 2022 Worse, perhaps, than being off for a block of time, is the intermittence that blended learning will oblige. David Zweig, Wired, 24 June 2020 There followed a good deal of halting, touchingly formal talk about harvests and the maddening intermittence of rain. Junot Díaz, The New Yorker, 17 Apr. 2018 Its apparent intermittence and the lack of a satisfactory explanation has led some to chalk it up to observer error, distortion caused by Earth’s atmosphere and/or artifacts induced by telescope optics. Wired Staff, WIRED, 9 Jan. 2009
Jinjoo Lee, WSJ, 9 Aug. 2022 Worse, perhaps, than being off for a block of time, is the intermittence that blended learning will oblige. David Zweig, Wired, 24 June 2020 There followed a good deal of halting, touchingly formal talk about harvests and the maddening intermittence of rain. Junot Díaz, The New Yorker, 17 Apr. 2018 Its apparent intermittence and the lack of a satisfactory explanation has led some to chalk it up to observer error, distortion caused by Earth’s atmosphere and/or artifacts induced by telescope optics. Wired Staff, WIRED, 9 Jan. 2009 Word History
First Known Use
1796, in the meaning defined above