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長 (発音記号)

ː

長 (発音記号)
ː
IPA 番号	503
IPA 表記	[ː]
Unicode	U+02D0
文字参照	ː
JIS X 0213	1-11-53
X-SAMPA	:
Kirshenbaum	:

長

ː（長・ちょう）は国際音声記号の一つで、長い音を表す。前の文字が母音の場合は長母音、子音の場合は長子音となる。母音の場合は日本語の仮名の「ー」で表される発音になるが、子音の場合は「ー」で表される発音にはならない。

概要

日本語の場合は、長母音の「あー」の IPA の表記は [aː ] となる。

長子音としては、促音に使用できる。たとえば「あった」は長子音として[atː a]と表すことができる。

長音よりも短い発音を表すために半長の発音記号[ˑ ]もある。

例

日本語

ああ	[aː ]
東宮（とうぐう）	[toː ŋɯː ]
良い（イー）	[iː ]
ケーキ	[keː ki]
悪化（あっか）	[akː a]
あっさり	[asː aɾi]
あった	[atː a]
あんな	[anː a]
按摩（あんま）	[amː a]
案外（あんがい）	[aŋː ai]

日本語以外

ドイツ語 Naht [nɑː t]
英語 yeast [jiː st]
イタリア語 canna [kanː a]
エストニア語 lina [lina]・linna [linː a]・linna [linː ː a]

関連項目

カテゴリ

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