IPA: //klaɪˈmætələdʒɪst//
KK: /ˈklaɪməˌtɑlədʒɪst/
A person who studies the climate and weather patterns to understand changes in the environment.
The climatologist presented her findings on global warming at the conference.
Climatologist → It is formed from "clima" (from Greek "klima", meaning slope or region) and "-ologist" (from Greek "logia", meaning study or science). A climatologist is someone who studies the climate or the characteristics of a particular region's weather patterns.
Think of a 'climate' as a specific 'region' ('clima') that someone is 'studying' ('-ologist'). This helps you remember that a climatologist is a person who studies the climate.