sə:dʒ n. & v. --n. 1 a
sudden or
impetuous onset (a surge of anger). 2
the swell of the waves at
sea. 3 a
heavy forward or
upward motion. 4 a
rapid increase in
price,
activity, etc.
over a
short period. 5 a sudden
marked increase in
voltage of an
electric current. --v.intr. 1 (of waves, the sea, etc.)
rise and fall or
move heavily forward. 2 (of a
crowd etc.) move suddenly and powerfully
forwards in
large numbers. 3 (of an electric current etc.) increase suddenly. 4 Naut. (of a
rope,
chain, or windlass) slip
back with a jerk. øsurge
chamber (or tank) a chamber designed to
neutralize sudden changes of
pressure in a
flow of
liquid. [OF sourdre sourge-, or sorgir f. Cat., f. L surgere rise]