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surge

[surj] /sɜrdʒ/
noun
1.
a strong, wavelike, forward movement, rush, or sweep:
the onward surge of an angry mob.
2.
a strong, swelling, wavelike volume or body of something:
a billowing surge of smoke.
3.
the rolling swell of the sea.
4.
the swelling and rolling sea:
The surge crashed against the rocky coast.
5.
a swelling wave; billow.
6.
Meteorology.
  1. a widespread change in atmospheric pressure that is in addition to cyclonic and normal diurnal changes.
  2. storm surge.
7.
Electricity.
  1. a sudden rush or burst of current or voltage.
  2. a violent oscillatory disturbance.
8.
Nautical. a slackening or slipping back, as of a rope or cable.
9.
Machinery.
  1. an uneven flow and strong momentum given to a fluid, as water in a tank, resulting in a rapid, temporary rise in pressure.
  2. pulsating unevenness of motion in an engine or gas turbine.
verb (used without object), surged, surging.
10.
(of a ship) to rise and fall, toss about, or move along on the waves:
to surge at anchor.
11.
to rise, roll, move, or swell forward in or like waves:
The sea surged against the shore. The crowd surged back and forth.
12.
to rise as if by a heaving or swelling force:
Blood surged to his face.
13.
Electricity.
  1. to increase suddenly, as current or voltage.
  2. to oscillate violently.
14.
Nautical.
  1. to slack off or loosen a rope or cable around a capstan or windlass.
  2. to slip back, as a rope.
15.
Machinery. to move with pulsating unevenness, as something driven by an engine or gas turbine.
verb (used with object), surged, surging.
16.
to cause to surge or roll in or as in waves.
17.
Nautical. to slacken (a rope).
Origin
1480-1490
1480-90; perhaps < Latin surgere to spring up, arise, stand up
Related forms
unsurging, adjective
Can be confused
serge, surge.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for surges
  • It doesn't get you silly or sleepy but it does block the huge surges of panic that can be so debilitating.
  • The sector is experiencing one of its largest enrollment surges while at the same time facing tighter and tighter budgets.
  • Application surges make presidents, trustees, and enrollment officials happy.
  • Predicting sales is an occult art, with its dual risks of unmet surges in demand and huge write-offs and remainders.
  • Close in its bands of rock the river surges tumultuously forward, writhing and leaping as if inspired by a demon.
  • Tidal surges and currents can bash a diver's head against a steel platform.
  • Also, electrical grids had to be carefully monitored for surges.
  • Scientists said tracking these climate changes can help officials anticipate and plan for surges in illnesses.
  • The steam surges into the well hole, and the steam pressure at the surface spins a turbine to generate electricity.
  • Meteorologists warn of more floods, as giant storm surges can ride in on higher tides to invade the city.
British Dictionary definitions for surges

surge

/sɜːdʒ/
noun
1.
a strong rush or sweep; sudden increase: a surge of anger
2.
the rolling swell of the sea, esp after the passage of a large wave
3.
a heavy rolling motion or sound: the surge of the trumpets
4.
an undulating rolling surface, as of hills
5.
a billowing cloud or volume
6.
(nautical) a temporary release or slackening of a rope or cable
7.
a large momentary increase in the voltage or current in an electric circuit
8.
an upward instability or unevenness in the power output of an engine
9.
(astronomy) a short-lived disturbance, occurring during the eruption of a solar flare
verb
10.
(intransitive) (of waves, the sea, etc) to rise or roll with a heavy swelling motion
11.
(intransitive) to move like a heavy sea
12.
(nautical) to slacken or temporarily release (a rope or cable) from a capstan or (of a rope, etc) to be slackened or released and slip back
13.
(intransitive) (of an electric current or voltage) to undergo a large momentary increase
14.
(transitive) (rare) to cause to move in or as if in a wave or waves
Derived Forms
surgeless, adjective
surger, noun
Word Origin
C15: from Latin surgere to rise, from sub- up + regere to lead
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for surges

surge

n.

late 15c., "fountain, stream," probably from Middle French sourge-, stem of sourdre "to rise, swell," from Latin surgere "to rise," contraction of surrigere "to rise," from sub "up from below" + regere "to keep straight, guide" (see regal). Meaning "high, rolling swell of water" is from 1520s; figurative sense of "excited rising up" (as of feelings) is from 1510s.

v.

1510s, from surge (n.). Related: Surged; surging.

Online Etymology Dictionary, © 2010 Douglas Harper
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surges in Science
surge
  (sûrj)   
A coastal rise in water level caused by wind.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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