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廃石 (はいせき, haiseki) Japanese meaning: waste rock | Kotomora

廃はい石せき

は

い

せ

き

Meanings

1

waste rock; mullock; tailings

Technical term in mining for rock or debris discarded after extracting valuable minerals.

鉱こう山ざんから出でる廃はい石せきの処しょ理りが問もん題だいになっている。
The disposal of waste rock from the mine has become an issue.

Kanji

廃abolish, obsolete, cessation
石stone

Related words

鉱こう滓さい
鉱滓 refers specifically to slag or tailings from smelting, while 廃石 is the raw waste rock removed during mining.

Etymology

Compound of 廃 (hai, 'discard') and 石 (seki, 'stone'). The exact historical derivation is uncertain; the spelling is conventionally associated with mining waste.