1.Definition: (biology) the structural adaptation of some body part for a particular function

Related Noun(s):differentiation, specialization

Category: General

2.Definition: the act of specializing; making something suitable for a special purpose

Related Noun(s):specialization

Category: General

3.Definition: the special line of work you have adopted as your career

Related Noun(s):specialism, speciality, specialization, specialty

Category: General