ILMU ‘L-HADIS علم الحديث
The science of the Traditions i.e. the various canons which have been established for ascertaining the authenticity and genuineness of the Hadis or Traditions. The Nukhbatu ‘l-Fikar, with its commentary the Nuzhatu ‘n-Nazar by Shaliabu ‘d-din Ahmad al-‘Asqalani (Lee’s ed, Calcutta, 1862), is a well-known work on the subject.
Based on Hughes, Dictionary of Islam