IPA: /kɒŋˈkɒlədʒɪst/
KK: /kɒŋˈkɒlədʒɪst/
A person who studies or collects shells, particularly those of mollusks, often for scientific research.
The conchologist spent hours examining the different types of shells he had collected from the beach.
Conchologist → It is formed from "conch" (from Greek "konchē", meaning shell) and "-ologist" (from Greek "logia", meaning study or science). A conchologist is someone who studies shells, particularly those of mollusks.
Think of 'shell' ('conch') and 'study' ('-ologist') to remember that a conchologist is someone who studies shells.