lexicology
/ˌlɛksɪˈkɑlədʒi/
noun
- The branch of linguistics that studies the words of a language, their meanings, origins, and structure.
- Lexicology helps us understand why some words become popular while others disappear.
- Her course on lexicology covered how new words are formed in English.
- The professor's research in lexicology focuses on the vocabulary of science and technology.