Consonants may be palatalised through co-articulation with a following high front vowel or palatal consonant, as for the first consonant in the English word tune . Another possibility is for palatalisation for consonants to be contrastive in a language. The same as palataling . The name of a place of articulation. The IPA since 1993 recommends the term post-alveolar for such sounds and they are so labelled on the most recent IPA chart.
Passive articulator See articulation .
The time taken by one complete repetition of a periodic waveform. The period is usually symbolised T . So, for example, if a waveform has a fundamental frequency of 200Hz, its period will be 5 milliseconds. Periodic Of a waveform, regularly repeating in time. Perseverative assimilation See assimilation .