岩心
yán​xīn

drill core

  • created sense approved 岩心 · yán​xīn · drill core — "Initial import from upstream dictionary"

    岩心

    yán​xīn

    drill core

    a cylindrical rock sample obtained by drilling into the ground during geological exploration, used for analyzing strata or mineral deposits

    岩 (literal) → 岩 · yán · rock 心 (literal) → 心 · xīn · center

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

    created sense