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Meaning of summit tunnel | Babel Free

Noun CEFR B2

Definitions

A tunnel driven through a pass at fairly high altitude to minimize the length of tunnel required, at the cost of requiring steeper and more winding routes up to each end of the tunnel.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

summit-hopper summit, peak, top, hilltop summiteer summiter summiting Summitry

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