Dictionary

noun

Definitions

1. Someone who is an expert in, or devoted to, some specific branch of study or research.

   Synonyms:aficionadoconnoisseurenthusiast

2. A physician whose practice is limited to a particular branch of medicine or surgery.

3. Any of several non-commissioned ranks corresponding to that of corporal.

4. An organism that is specialized for a particular environment.

   Example: The tree Lepidothamnus laxifolius is a high alpine specialist found in high-altitude bog communities and in scrub.