specialize

verb
UK /ˈspeʃ.əl.aɪz/
US /ˈspeʃ.əl.aɪz/

To focus on one thing and become really good at it.

She decided to specialize in treating children's teeth.


OTHER MEANINGS

2. To adapt an organ or body part for a particular function.

These birds have specialized beaks for cracking seeds.

3. To make something suitable for a specific purpose.

The software is specialized for medical records.

4. To study or work in a particular area of a subject.

He specialized in ancient history at university.