English Dictionary

mica

IPA（発音記号）

/ˈmaɪ.kə/

名詞

可算名詞 不可算名詞

(mineralogy) Any of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic.

日本語の意味

雲母（うんも） - 水を含むアルミノケイ酸塩鉱物の総称。非常に良好な解理性を持ち、容易に薄い葉状に分裂する鉱物群を指す。

The geologist carefully separated a sheet of mica from the rock to examine its cleavage.

地質学者は岩石から雲母の薄片を慎重に取り外して、その劈開を調べた。

意味（1）

(mineralogy) Any of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic.

His little eyes glittered like mica discs with curiosity, though he tried to keep up a bit of superciliousness.

micas （ plural ）