Coarticulation in phonetics refers to two different phenomena: the assimilation of the place of articulation of one speech sound to that of an adjacent speech sound. For example, while the sound /n/ of English normally has an alveolar place of articulation, in the word tenth it's pronounced with a dental place of articulation because the following sound, /θ/,'s dental. the production of a coarticulated consonant, that's, a consonant with two simultaneous places of articulation. An example… (More on Coarticulation)