having specific skills or training in a particular area

विशेषीकृत

English Usage: She has a specialized knowledge in marine biology.

Hindi Usage: उसे समुद्री जीवविज्ञान में विशेषीकृत ज्ञान है।

to focus on a particular area of study or work

विशेषज्ञ बनाना

English Usage: He specialized in architecture during his studies.

Hindi Usage: उसने अपनी पढ़ाई के दौरान वास्तुकला में विशेषज्ञता हासिल की।