IPA: /kɒŋˈkɒlədʒɪkəl/
KK: /kɒŋˈkɒlədʒɪkəl/
Relating to the study of shells and shellfish.
The conchological exhibit at the museum showcased a variety of beautiful shells.
Conchological → It is formed from "conch" (from Greek "konchē", meaning shell) and "-logical" (from Greek "logikos", meaning pertaining to reason or study). The word refers to the study of shells, particularly those of mollusks.
Think of 'shell' ('conch') and 'study' ('-logical') to remember that conchological relates to the study of shells.