1. a medical doctor or other professional who specializes in a narrow area within a broader specialty
Usage: medical

Examples

• The cardiologist referred her to a subspecialist in heart rhythm disorders.
• As a subspecialist in pediatric oncology, he treats children with rare cancers.
• The hospital recruited a subspecialist to handle complex spinal surgeries.
• She trained for three additional years to become a subspecialist in infectious diseases.
• The subspecialist’s expertise in hand surgery made him highly sought after.
• Many subspecialists work in academic medical centers rather than private practice.