noun
Linguistics term for a sequence of two vowel sounds within a single syllable. Often contrasted with 二重母音, which is a more common synonym.
See also: 二重母音
日本語の「愛」の「あい」は連母音の例としてよく挙げられる。
The 'ai' in the Japanese word 'ai' (love) is often cited as an example of a diphthong.