verb (used with object), by·passed or (Rare) by·past; by·passed or by·past; by·pass·ing.
Origin of bypass
- the redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgerySee coronary bypass
- (as modifier)bypass surgery
- an electrical circuit, esp one containing a capacitor, connected in parallel around one or more components, providing an alternative path for certain frequencies
- (as modifier)a bypass capacitor
verb -passes, -passing, -passed or -past (tr)
also by-pass, 1848, of certain pipes in a gasworks, from by + pass (n.). First used 1922 for "road for the relief of congestion;" figurative sense is from 1928. The heart operation was first so called 1957.
1823, "to pass by" (implied in bypassed), from bypass (n.). From 1928 as "to go around, avoid;" figurative use from 1941. Related: Bypassed; bypassing.