subspecialist

noun
sub·​spe·​cial·​ist | \ ˌsəb-ˈspe-sh(ə-)list How to pronounce subspecialist (audio) \
variants: or less commonly sub-specialist
plural subspecialists also sub-specialists

Definition of subspecialist

: a person who specializes in an occupation, practice, or field of study that is part of a broader specialty : an expert in or student of a subspecialty Subspecialists who routinely treat patients with diseases of the external eye and the cornea …— Stephanie Bernardo Johns

First Known Use of subspecialist

1892, in the meaning defined above

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More Definitions for subspecialist

subspecialist

noun
sub·​spe·​cial·​ist | \ ˌsəb-ˈspesh-(ə-)ləst\

Medical Definition of subspecialist

: a physician having a subspecialty