technicality - definition and synonyms

noun [countable] 

Your browser doesn’t support HTML5 audio

/ˌteknɪˈkæləti/
singulartechnicality
pluraltechnicalities
  1. 2
    a minor detail of the law that can lead to an unfair result
    on a technicality (=because of it):

    He was acquitted on a technicality.