偽頂
wěi​dǐng

false roof

  • created sense approved 伪顶/偽頂 · wěi​dǐng · false roof — "Initial import from upstream dictionary"

    伪顶 / 偽頂

    wěi​dǐng

    false roof

    a thin layer of rock in a coal mine that sits immediately above the coal seam and collapses easily when the coal is removed

    伪 (literal) → 伪/偽 · wěi · false 顶 (literal) → 顶/頂 · dǐng · top

    Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

    created sense