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I was taught to pronounce the oo in either afternoon or noon as /u:/ ~~the oo in nook~~ until I found some native speakers pronounce the noon sounding like new-n (videos). But the AmE IPA in the dictionary labels it as /nu:n/, instead of what I thought it as /nju:n/ if it's pronounced new-n. To my surprise, the IPA of new is /nu:/ rather than /nju:/. If /u:/ is equivalent to /ju:/, so why the word moon, whose IPA is /mu:n/, is not pronounced as mew-n?

tchrist
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2 Answers2

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I was taught to pronounce the oo in either afternoon or noon as the oo in nook

That was poor teaching - it is wrong.

Standard pronunciation:

noon, n.Brit. /nuːn/; U.S. /nun/;

moon, n.Brit. /muːn/; U.S. /mun/

nook, n. Brit. /nʊk/, U.S. /nʊk/ (some dialects pronounce as /nuːk/ particularly parts of Scotland - but this is non-standard.)

until I found native speakers pronounce the noon sounding like new-n.

[Newn] is non-standard or dialect - you need to say where these "native speakers" are from.

The "y" sound ([j]) found in "new" - nyew - is know as the intrusive y and is a feature of English.

Greybeard
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  • Thanks for your answer. In my OALD app, AmE IPAs of (after)noon and moon are labeled as /nu:n/ and /mu:n/, where the audio of the pronunciation of /nu:n/ sounds like new-n (www.oxfordlearnersdictionaries.com/definition/english/afternoon). Noon sounds like new-n too in M-W (www.merriam-webster.com/dictionary/afternoon). I also check videos with "good afternoon" (youglish.com/pronounce/Good%20Afternoon/english/us?), some of them pronounced like new-n. – Guoyang Qin Apr 14 '21 at 18:05
  • @GuoyangQin Have a look at Word Reference Forums for the entry in their dictionary for "noon", "moon", "nook" and "new". (https://www.wordreference.com/definition/noon) You will find all of the words pronounced in various versions of English. You will not find "new-n" – Greybeard Apr 14 '21 at 18:17
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    @Greybeard: that's only because the dictionaries are reporting the "standard pronunciation", which is not necessarily how all people actually pronounce things. Some Americans say newn and not noon. – Peter Shor Apr 14 '21 at 19:00
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    Possibly what's confusing is that some (many?) Americans pronounce "new" not as /njuː/ but as /nu/, hence when we say that "noon" sounds like "new" + n, we mean it sounds like the American /nu/ + /n/, not like the British /nju:/ + /n/. – shoover Apr 15 '21 at 04:28
  • @shoover - I reckon that's it. – Dan Jun 12 '21 at 19:37
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In much of the U.S., /u:/ and /ju:/ have merged after /t/, /d/, and /n/.

That means if you pronounce noon as /nju:n/, people will still understand you, and probably won't even notice you're pronouncing it differently than they do. I don't know if I've heard people use /ju:/ after /n/, but I've definitely heard it after /d/ and /t/. This is generally called yod-dropping, which would imply that the /j/ is dropped, but it might be more useful to think of it as a merger, as there are some people who pronounce both due and do (when it's stressed( as /dju:/.

On the other hand, these two phonemes have only merged after some consonants, and not after others like /m/, /p/, /b/, /f/, /k/, and /h/; if you pronounce moon as /mju:n/, you're much less likely to be understood; in fact the two words moot /mu:t/ and mute /mju:t/ are distinguished by the /j/, and if you say “it's a mute issue,” it's not clear you'll be understood.

Finally, the 'oo' is nook is a different phoneme than is in either mute or moot.

Peter Shor
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  • Thanks for your answer. yod-dropping is a helpful explanation and interesting phenomenon. Just wondering why adding /j/ sound after some consonants like /n/, /d/, /t/ doesn't feel quite different. Namely, newn and noon, due and do, tune and toon sounds closer (heard the audio multiple times I began to be unsure of which sound they had pronounced), or more unnoticeable as you suggested, than say mewn and moon, beaut and boot, mute and moot. – Guoyang Qin Apr 15 '21 at 02:42
  • Have /u:/ and /ju:/ merged into /u/ or something else? –  Jun 13 '21 at 06:11
  • @Richard: Most people pronounce the merged vowel /u/, but some people pronounce it /ju/. And I think these people are the ones the OP's hearing and is puzzled by. For merged phonemes, sometimes both pronunciations are valid. – Peter Shor Jun 13 '21 at 11:32