lava tube

noun

Meaning

A natural conduit formed when the outer surface of a lava flow cools and hardens, while the molten interior continues to drain away, leaving a hollow cavern.

Examples

The explorers carefully navigated the slippery floor of the lava tube to avoid damaging the delicate mineral formations.
Scientists believe that lava tubes on the Moon could provide natural shelter for future human habitats.

Synonyms: cave, cavern, conduit

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lava tube

noun

Pronunciation: ˈlɑːvə ˌtjuːb

Definition

A natural conduit formed when the outer surface of a lava flow cools and hardens, while the molten interior continues to drain away, leaving a hollow cavern.

Examples

The explorers carefully navigated the slippery floor of the lava tube to avoid damaging the delicate mineral formations.
Scientists believe that lava tubes on the Moon could provide natural shelter for future human habitats.
After the eruption, the cooling flow created a massive lava tube that stretched for several miles underground.

Synonyms of lava tube

Words with a similar meaning to lava tube:

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