雲うん母も

also: うんぼ · きらら

う

ん

も

Freq.FrequencyTop 20,000

Meanings

noun

mica; isinglass

geology

A group of sheet silicate minerals; in geology and materials science. Isinglass is an older term for thin sheets of mica, especially when used as a transparent material.

雲うん母もは電でん気き絶ぜつ縁えん性せいに優すぐれている。
Mica has excellent electrical insulating properties.
この岩がん石せきには黒くろ雲うん母もが多おおく含ふくまれている。
This rock contains a lot of biotite.

See all 11 example sentences ›

Kanji

雲cloud
母mother

Related words

黒くろ雲うん母も
Biotite, a dark-colored mica mineral; a specific type of 雲母.
白しろ雲うん母も
Muscovite, a light-colored mica mineral; another common type of 雲母.

Counted with

枚まいN3
雲母 is typically counted with 枚 when referring to thin sheets or flakes of mica.

Word family· 10

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Written forms

雲母Usage29%
- うんも
  Standard kanji spelling; the most common reading is うんも.
- うんぼ
  Rare alternate reading; うんも is overwhelmingly more common.
- きらら
  Archaic or poetic reading; sometimes seen in older texts or as a name.
きららUsage42%
キララUsage29%
うんぼ

Etymology

A Sino-Japanese word borrowed from Chinese 雲母, the traditional name for mica; the Japanese reading うんも reflects the characters’ Chinese-derived readings.