'Specialism' definitions:

Definition of 'specialism'

From: WordNet
noun
The concentration of your efforts on a particular field of study or occupation
noun
The special line of work you have adopted as your career; "his specialization is gastroenterology" [syn: specialization, specialisation, specialty, speciality, specialism]

Definition of 'Specialism'

From: GCIDE
  • Specialism \Spe"cial*ism\, n. Devotion to a particular and restricted part or branch of knowledge, art, or science; as, medical specialism. [1913 Webster]