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Meaning of loop line | Babel Free

Noun CEFR B2

Definitions

A secondary route which leaves a mainline, following a different route to the main line, before rejoining it several miles further on.
A secondary route which forms a loop between two main lines, so that trains using it return to the same place.

CEFR level

B2

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

See also

loop of Henle loop pedal loop quantum gravity loop ratio loop transfer function loop-knot