How to say "crust" in Japanese

Choosing the right word
  • 地盤じばんJLPT N2approx.Common
    nounCovers 'crust' only in the geological sense — the earth's crust, the solid ground or bed beneath the surface. It is not the word for a crust on bread, a wound, or any other surface.
  • 上皮うわかわCommon
    no-adjectiveDenotes a thin outer layer, such as of skin or bark; its 'crust' sense is a thin outer layer or film on a surface, not the earth's crust or the crust of bread.

Use 地盤 for 'crust' only in the geological sense — the earth's crust or solid ground — and 上皮 for a thin outer layer or crust forming on a surface such as skin; neither covers bread or pie crusts.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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