variants:
or less commonly sub-specialize
subspecialized or sub-specialized; subspecializing also sub-specializing
Definition of subspecialize
: to concentrate one's efforts in a special occupation, practice, or field of study that is part of a broader specialty : to practice or study within a subspecialty Like most surgical specialists, neurosurgeons subspecialize in different areas, such as tumors, cerebrovascular, seizure, pituitary gland and pain surgery.— John Pekkanen
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Time Traveler for subspecialize
The first known use of subspecialize was in 1900
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