IPA: /ˌɛn.təˈmɒl.ə.dʒɪst/
KK: /ˌɛntəˈmɑlədʒɪst/
A scientist who studies insects.
The entomologist discovered a new species of butterfly in the rainforest.
Entomologist → It is formed from "entomo-" (from Greek "entomon", meaning insect) and "-logist" (from Greek "logia", meaning study or science). An entomologist is someone who studies insects.
Think of someone who studies 'insects' ('entomon') and is a specialist in that field ('-logist'). This helps you remember that an entomologist is an expert in the study of insects.