最終更新日：2024/08/01

(geology) One of the sinuous tracks on the surfaces of many stones, popularly regarded as worm trails.

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helminthite

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helminthite

noun

(geology) One of the sinuous tracks on the surfaces of many stones, popularly regarded as worm trails.

Helminthite is a rare mineral found in caves.

意味（1）

(geology) One of the sinuous tracks on the surfaces of many stones, popularly regarded as worm trails.