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Assimilation is a sound change in which some phonemes (typically consonants or vowels) change to become more similar to other nearby sounds. A common type of phonological process across languages, assimilation can occur either within a word or between words. It occurs in normal speech but becomes more common in more rapid speech.
For example, the English suffix -s is pronounced [s] when it follows a voiceless phoneme (cats), and [z] when it follows a voiced phoneme (dogs). [1] This type of assimilation is called progressive, where the second consonant assimilates to the first; regressive assimilation goes in the opposite direction, as can be seen in have to [hæftə].
For example, the reflexive prefix is realized as oral je-before an oral stem like juka "kill", but as nasal ñe-before a nasal stem like nupã "hit". The ã makes the stem nasal. Some Finnish-speakers find it hard to pronounce both 'b' and 'p' in loanwords (pubi, pub) and so they voice (bubi) or devoice (pupi) the entire word.
In historical linguistics, a sound change is a change in the pronunciation of a language. A sound change can involve the replacement of one speech sound (or, more generally, one phonetic feature value) by a different one (called phonetic change) or a more general change to the speech sounds that exist (phonological change), such as the merger of two sounds or the creation of a new sound.
For example, the /n/ in encase is often pronounced [ŋ] (becoming a velar nasal by way of assimilation with the following velar stop /k/), and the /n/ in ten men likely becomes [m], assimilating with the following bilabial nasal /m/. Other cases of assimilation also occur, such as pronunciation of the /d/ in bad boy as [b].
Phonological alternations can surface by concatenation (e.g., [fas sin] 'give him two!') or by complete assimilation (e.g. /rad = k i-sli/ [rakk isli] 'he will touch you'). Morphological alternations include imperfective gemination, with some Berber verbs forming their imperfective stem by geminating one consonant in their perfective stem (e.g ...
As with assimilation, anticipatory dissimilation is much more common than lag dissimilation, but unlike assimilation, most dissimilation is triggered by non-contiguous segments. Also, while many kinds of assimilation have the character of a sound law, few dissimilations do; most are in the nature of accidents that befall a particular lexical item.
In linguistics, assibilation is a ... The word "assibilation" itself contains an example of the phenomenon, ... Assimilation (linguistics) References