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Topic: ROADS


bypass

1 noun
     
by‧pass1 [countable]
1

(heart) bypass operation/ surgery

MH an operation to direct blood through new veins (=blood tubes) outside the heart because the veins in the heart are blocked or diseased:
a triple heart bypass operation
2TTR a road that goes around a town or other busy area rather than through it [↪ ring road]
3T technical a tube that allows gas or liquid to flow around something rather than through it
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