1. (

• specialization ,
• specialisation ,
• differentiation

) (biology) the structural adaptation of some body part for a particular function; "cell differentiation in the developing embryo" ;

2. (

• specialization ,
• specialisation ,

) the act of specializing; making something suitable for a special purpose ;

3. (

• specialization ,
• specialisation ,
• specialty ,
• speciality ,
• specialism

) the special line of work you have adopted as your career; "his specialization is gastroenterology" ;