specialiser
spe·cia·li·ser
noun
1.
an expert who is devoted to one occupation or branch of learning
Origin
From specialise + -er.
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.