#1 specialisation n. [specialization, differentiation] (biology) the structural adaptation of some body part for a particular function; "cell differentiation in the developing embryo". wn
#2 specialisation n. [specialization] the act of specializing; making something suitable for a special purpose. wn
#3 specialisation n. [specialization, specialty, speciality, specialism] the special line of work you have adopted as your career; "his specialization is gastroenterology". wn
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