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A speech sound disorder ( SSD) is a speech disorder affecting the ability to pronounce speech sounds, which includes speech articulation disorders and phonemic disorders, the latter referring to some sounds ( phonemes) not being produced or used correctly. The term "protracted phonological development" is sometimes preferred when describing ...
Elision. In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run together by the omission of a final sound. [ 1] An example is the elision of word-final /t/ in ...
In historical linguistics, phonological change is any sound change that alters the distribution of phonemes in a language. In other words, a language develops a new system of oppositions among its phonemes. Old contrasts may disappear, new ones may emerge, or they may simply be rearranged. [ 1] Sound change may be an impetus for changes in the ...
An otoacoustic emission (OAE) is a sound that is generated from within the inner ear.Having been predicted by Austrian astrophysicist Thomas Gold in 1948, its existence was first demonstrated experimentally by British physicist David Kemp in 1978, [1] and otoacoustic emissions have since been shown to arise through a number of different cellular and mechanical causes within the inner ear.
Definition. Nearly all nasal consonants are nasal occlusives, in which air escapes through the nose but not through the mouth, as it is blocked (occluded) by the lips or tongue. The oral cavity still acts as a resonance chamber for the sound. Rarely, non-occlusive consonants may be nasalized . Most nasals are voiced, and in fact, the nasal ...
The apostrophe ( ' or ’) is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet and some other alphabets. In English, the apostrophe is used for three basic purposes: The marking of the omission of one or more letters, e.g. the contraction of "do not" to "don't".
A sound change, in historical linguistics, 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.
Mispronunciation. In linguistics, mispronunciation is the act of pronouncing a word incorrectly. [ 1][ 2] The matter of what is or is not mispronunciation is a contentious one, and there is disagreement about the extent to which the term is even meaningful. Languages are pronounced in different ways by different people, depending on such ...