ologist
/ˈɒlədʒɪst/Definitions
1. noun
A person who studies or has specialized knowledge of a particular field or subject, especially one ending in -logy.
“The geologist studied the formation of the mountain range.”
2. noun
A person who practices a particular occupation, especially one involving the application of scientific knowledge.
“The engineer was a successful biotechnologist.”
3. noun
A person who studies or has specialized knowledge of a particular field or subject.
“The economist was a renowned sociologist.”