長音. Vowels held for twice as long as short vowels. Unlike in English, long vowels in Japanese are not diphthongs. Long vowels in hiragana are generally written an extra kana such as あいうえお; in katakana they are generally written with the long vowel marker ー.

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6
votes
2answers
175 views

Why are long vowels represented differently in hiragana and katakana?

Wikiversity says the following about long vowels in Japanese: A long vowel takes two morae. In rōmaji it's written with a macron: ā, ī, ū, ē and ō. In hiragana, it's written with an extra ...
4
votes
3answers
139 views

Should 「ソウル」 be pronounced as “so u ru” or “so: ru”?

According to the ipadic attached to Mecab, it's "so u ru". According to the bccwj dict attached to Julius, it's "so: ru". Which one is correct? Or are they both OK?
1
vote
1answer
164 views

ー vs small kana vs long kana for writing long vowels

I had thought that for writing long vowels in Japanese, that small kana was mostly used with hiragana and ー was mostly used with katakana. I was actually thinking of asking whether there were ...
-1
votes
1answer
172 views

こおれえぐす, こーれーぐす, こおれえぐうす, or こーれーぐーす to get the word 高麗胡椒? [closed]

高麗胡椒 is a condiment originating in Okinawa that consists of chilis immersed in awamori. I don't know how to type it, especially the long vowels. I can get neither the katakana nor the kanji spelling ...
5
votes
3answers
397 views

What is the difference between the wave dash 〜 and long vowel marker ー when marking long vowels?

I know that the wave dash 〜 can be used in place of the long vowel marker ー sometimes, but I'm not exactly sure what the differences are. Is there any difference in pronunciation? I read once that ...
3
votes
1answer
945 views

Does the ー represent a double vowel or a long vowel sound?

For words like パーティー (party), I know ー is doubling the ア and イ. But for a word like センセイ (and let's assume for the sake of argument that it is regularly spelled in katakana), would it be センセイ or センセー ...
2
votes
1answer
598 views

things that look like long vowels but aren't

Are there words written with "ei" or "ou" that are pronounced with both vowels instead of as a long vowel? I think this is true in cases like 拾う and している, but are there cases of it happening where ...