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菱苦土鉱 (りょうくどこう) Japanese meaning | Kotomora

菱りょう苦く土ど鉱こう

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Meanings

1

noun

A mineral composed of magnesium carbonate (MgCO₃). Used in geology, mining, and industrial contexts.

See also: マグネサイト

菱りょう苦く土ど鉱こうは耐たい火かレンガの原げん料りょうとして使つかわれる。
Magnesite is used as a raw material for firebricks.

この地ち域いきでは菱りょう苦く土ど鉱こうが採さい掘くつされている。

Magnesite is mined in this region.

Kanji

菱diamond (shape), water chestnut, rhombus
苦suffering, trial, worry
土soil, earth, ground
鉱mineral, ore

Similar words

マグネサイト
Katakana loanword for magnesite, more common in modern technical and commercial contexts. 菱苦土鉱 is the traditional kanji term used mainly in older or formal geological literature.

Etymology

Compound of 菱 (ryō, 'rhombus'), 苦土 (kudo, 'magnesia'), and 鉱 (kō, 'ore'). The name refers to the rhombohedral crystal habit of magnesite and its magnesia content.