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lava tube

Noun CEFR B2

Definitions

A natural conduit formed by flowing lava that moves beneath the hardened surface of a lava flow.

Equivalents

Suomilaavatunneli
Nederlandslavatunnel

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

lava ware lavabo Lavaca Lavaca County lavacast lavacasting

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