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粘板岩 (ねんばんがん) Japanese meaning | Kotomora
Meanings 1
noun
slate ; clay rock
A fine-grained metamorphic rock derived from shale or clay; used for roofing, blackboards, and writing tablets. In geology, 粘板岩 is the standard Japanese term for slate.
ばん
岩がん
は
もともと
泥どろ
や
粘ねん
土ど
が
堆たい
積せき
し
て
でき
た
岩がん
石せき
だ
。
Slate is a rock originally formed from accumulated mud and clay.
Kanji 粘 sticky, glutinous, greasy Similar words 頁けつ 岩がん 頁岩 (shale) is the sedimentary precursor; 粘板岩 (slate) is the metamorphic rock formed from shale under heat and pressure.
スレート スレート is a common loanword for slate, especially in construction and everyday contexts, while 粘板岩 is the formal geological term.
Etymology Compound of 粘 (nen, 'sticky, clayey'), 板 (ban, 'board, plate'), and 岩 (gan, 'rock'). The term describes the rock's characteristic platy cleavage and its origin from clay-rich sediments.
