Japanese

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For pronunciation and definitions of うたかた – see the following entry.
泡沫
[noun] (literary) a bubble, or foam, or froth
[noun] (literary, attributive) the state of lasting only for a short time, like a bubble; ephemerality, transience, fleeting-ness, etc.
(This term, うたかた (utakata), is the hiragana spelling of the above term.)
For a list of all kanji read as うたかた, see Category:Japanese kanji read as うたかた.)