Longman Dictionary of Contemporary English homepage

bypass

1 noun
     
Related topics: Roads
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

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary