Definition: Phonology is the study of speech sounds, their pronunciation, and their meaning in language. It includes both the phonological aspect, which refers to the ways in which sounds are combined with other elements such as words, syllables, or tones, and the phonetic aspect, which refers to the way sounds are produced. The term "phonology" was first used by German linguist Hermann von Hofmann in 1873. The word is derived from "phon", which means sound, and "logik", which is Latin for understanding or comprehension. The term "phonology" comes from the Greek phonon, meaning a sound. Phonology is a crucial discipline for linguists because it allows researchers to understand how language is formed and how words are constructed. It also helps in studying the meanings of speech sounds and their integration into other elements such as phrases or clauses. In more technical terms, phonology studies the ways in which sound is produced from the elements of word formation (words, syllables, and tones), while phonetics focuses on the way sounds are combined with each other and the context in which they occur. Phonology is a dynamic field that is constantly evolving as researchers continue to discover new ways to understand speech sounds. It has been instrumental in advancing our understanding of language and its history, and it continues to play a central role in the study of communication.