IPA: //traɪˈkɑːrˌbɒksɪlɪk//
KK: /traɪˈkɑrˌbɑksɪlɪk/
Relating to a chemical compound that has three carboxyl groups in its structure.
Citric acid is a tricarboxylic acid found in citrus fruits.
Tricarboxylic → It is formed from "tri-" (meaning three), "carboxyl" (from the Greek "karbōn" meaning carbon and "oxys" meaning acid), and the suffix "-ic" (meaning pertaining to). The word refers to a compound that contains three carboxyl groups, which are functional groups consisting of carbon and oxygen atoms.
Think of 'tri-' meaning three, and 'carboxyl' referring to a type of acid containing carbon. This helps you remember that 'tricarboxylic' describes a compound with three of these acid groups.