木もく化か石せき

noun

fossil wood; petrified wood

Refers to wood that has been fossilized through permineralization or replacement by minerals. Used in geology and paleontology contexts.

• この地ち域いきでは木もく化か石せきがよく見みつかる。

  Fossil wood is often found in this area.

• 博はく物ぶつ館かんに大おおきな木もく化か石せきが展てん示じされている。

  A large piece of petrified wood is on display at the museum.