Learn how to say Impulsion correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word impulsion:
a strong urge to do something:
the impulsion of the singers to govern the pace
[mass noun] the motive or influence behind an action or process:
attitudes changed under the impulsion of humanitarian considerations
late Middle English (in the sense ‘the action or an instance of impelling’): via Old French from Latin impulsio(n-), from the verb impellere (see impel)