Definition of coarticulation in English:

coarticulation

noun

Phonetics
  • [mass noun] The articulation of two or more speech sounds together, so that one influences the other.

    ‘allophones can occur as a result of coarticulation across word boundaries’
    • ‘People learn coarticulations that are often physically easy but not always physically necessary.’
    • ‘In the past, coarticulation has been studied using only limited data sets and using acousticphonetic methods such as formant analysis.’
    • ‘Some sounds are more resistant to coarticulation than other sounds.’
    • ‘The phenomenon is well known to phoneticians and is called ‘coarticulation’.’
    • ‘Secondary articulations are an instance of coarticulation.’
    • ‘However, in spontaneous speech, inter-syllabic coarticulations usually take the form of regressive assimilation.’

Pronunciation:

coarticulation

/ˌkəʊɑːtɪkjʊˈleɪʃ(ə)n/