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The sound barrier or sonic barrier is the large increase in aerodynamic drag and other undesirable effects experienced by an aircraft or other object when it approaches the speed of sound. When aircraft first approached the speed of sound, these effects were seen as constituting a barrier, making faster speeds very difficult or impossible.
The spelling indicates the insertion of /ᵻ/ before the /z/ in the spelling - es , but does not indicate the devoiced /s/ distinctly from the unaffected /z/ in the spelling - s . The abstract representation of words as indicated by the orthography can be considered advantageous since it makes etymological relationships more apparent to English ...
The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area's aesthetics. A noise barrier (also called a soundwall, noise wall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants of sensitive land use areas from noise pollution.
Many of these are degenerations in the pronunciation of names that originated in other languages. Sometimes a well-known namesake with the same spelling has a markedly different pronunciation. These are known as heterophonic names or heterophones (unlike heterographs , which are written differently but pronounced the same).
A spelling pronunciation is the pronunciation of a word according to its spelling when this differs from a longstanding standard or traditional pronunciation. Words that are spelled with letters that were never pronounced or that were not pronounced for many generations or even hundreds of years have increasingly been pronounced as written, especially since the arrival of mandatory schooling ...
Rhoticity – GA is rhotic while RP is non-rhotic; that is, the phoneme /r/ is only pronounced in RP when it is immediately followed by a vowel sound. [5] Where GA pronounces /r/ before a consonant and at the end of an utterance, RP either has no consonant (if the preceding vowel is /ɔː/, /ɜ:/ or /ɑː/, as in bore, burr and bar) or has a schwa instead (the resulting sequences being ...
Square brackets are used with phonetic notation, whether broad or narrow [17] – that is, for actual pronunciation, possibly including details of the pronunciation that may not be used for distinguishing words in the language being transcribed, but which the author nonetheless wishes to document. Such phonetic notation is the primary function ...
Differences in pronunciation between American English (AmE) and British English (BrE) can be divided into . differences in accent (i.e. phoneme inventory and realisation).See differences between General American and Received Pronunciation for the standard accents in the United States and Britain; for information about other accents see regional accents of English.