IPA: /ɑːrˈtɪk.jʊ.leɪ.ʃən/
KK: /ɑrˈtɪkjuˌleɪʃən/
The way in which parts are connected or joined together, especially in the context of speech sounds or physical joints in the body.
The articulation of the consonants in her speech was very clear.
Articulation is formed from "articulare" (meaning to divide into distinct parts) and the suffix "-tion" (indicating the action or process of). The word refers to the action or process of dividing or clearly expressing thoughts or sounds.
Think of the word 'articulare' which means to divide or express clearly — that's why articulation refers to the clear expression of thoughts or sounds.