specializing
v.v. to spend most of your time and effort on one specific subject, job, or skill.
v. concentrating one's efforts or interests on a particular area of study, business, or activity. Present participle of 'specialize'; often describes a narrowing of focus to achieve expertise.
She is specializing in international law at university.
The clinic is specializing in sports injuries to better serve the local athletes.
By specializing in rare manuscripts, the dealer was able to cultivate a niche market of high-end collectors that larger auction houses often overlooked.
Typically takes the preposition 'in' before the subject of focus.
He is specializing on marketing.He is specializing in marketing.The verb 'specialize' almost always pairs with the preposition 'in' rather than 'on'.