surge

noun, verb — 12 senses

surge

noun

US /sɝd͡ʒ/ · UK /sɜːd͡ʒ/

Etymology The verb is from Middle English ^((please verify)) surgen, possibly from Middle French sourgir, from Old French surgir (“to rise, ride near the shore, arrive, land”), from Old Catalan surgir, from Latin surgō, contraction of surrigō, subrigō (“lift up, raise, erect; intransitive rise, arise, get up, spring up, grow, etc.”, transitive verb), from sub (“from below; up”) + regō (“to stretch”), ultimately from Proto-Indo-European *h₃réǵeti (“to straighten; right”), from the root *h₃reǵ-; see regent. Doublet of source and sourd. The noun is from the verb.

7 senses
  1. 1A sudden transient rush, flood or increase.
  2. 2The maximum amplitude of a vehicle's forward/backward…
  3. 3A sudden electrical spike or increase of voltage and current.
  4. 4A momentary reversal of the airflow through the…
  5. 5The swell or heave of the sea.
  6. 6A deployment in large numbers at short notice.
  7. 7The tapered part of a windlass barrel or a capstan, upon…
1

A sudden transient rush, flood or increase.

  • He felt a surge of excitement.
  • As President Obama turns his attention once again to filling out a cabinet and writing an Inaugural Address, this much is clear: he should not expect to bask in a surge of national unity, or to witness a crowd of millions overrun the Mall just to say they were there.2012 November 7, Matt Bai, “Winning a Second Term, Obama Will Confront Familiar Headwinds”, in New York Times:
2

The maximum amplitude of a vehicle's forward/backward oscillation.

3

Business, Electrical engineering, Electricity, Electromagnetism, Energy, Engineering, Natural sciences, Physical sciences, Physics A sudden electrical spike or increase of voltage and current.

  • A power surge at that generator created a blackout across the whole district.
  • When the diesel was being worked full out, the ammeter normally showed about 1,500-1,600 amps, with occasional surges of current at starting or up the steepest gradients to 1,700 or even 1,800 amps.1959 March, Cecil J. Allen, “Locomotive Running Past and Present”, in Trains Illustrated, page 132:
4

Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences A momentary reversal of the airflow through the compressor section of a jet engine due to disruption of the airflow entering the engine's air intake, accompanied by loud banging noises, emission of flame, and temporary loss of thrust.

5

Nautical, Transport The swell or heave of the sea.

  • He that doubteth is like the surge of the sea driven by the wind and tossed.1901, Bible (American Standard Version), James i. 6
  • He flies aloft, and, with impetuous roar, / Pursues the foaming surges to the shore.1697, Virgil, “Georgics”, in John Dryden, transl., The Works of Virgil: Containing His Pastorals, Georgics, and Æneis. […], London: […] Jacob Tonson, […], →OCLC:
6

Government, Military, Naval, Navy, Politics, War US, Often A deployment in large numbers at short notice.

  • surge capacity; surge fleet; surge deployment capabilities
7

The tapered part of a windlass barrel or a capstan, upon which the cable surges, or slips.

Synonyms
inrush
Derived terms
antisurge, countersurge, microsurge, postsurge, presurge, pyroclastic surge, storm surge, supersurge, surgeful, surgeless, surge pricing, surgeproof, surge protector, surge suppressor, surge tank, surge testing, surgy, tidal surge, upsurge

surge

verb

Etymology The verb is from Middle English ^((please verify)) surgen, possibly from Middle French sourgir, from Old French surgir (“to rise, ride near the shore, arrive, land”), from Old Catalan surgir, from Latin surgō, contraction of surrigō, subrigō (“lift up, raise, erect; intransitive rise, arise, get up, spring up, grow, etc.”, transitive verb), from sub (“from below; up”) + regō (“to stretch”), ultimately from Proto-Indo-European *h₃réǵeti (“to straighten; right”), from the root *h₃reǵ-; see regent. Doublet of source and sourd. The noun is from the verb.

1

To rush, flood, or increase suddenly.

  • Toaster sales surged last year.
  • Carried somehow, somewhither, for some reason, on these surging floods, were these travelers, of errand not wholly obvious to their fellows, yet of such sort as to call into query alike the nature of their errand and their own relations.1910, Emerson Hough, chapter II, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC:
1 more example
  • Athletes' use of herbal supplements has skyrocketed in the past two decades. At the top of the list of popular herbs are echinacea and ginseng, whereas garlic, St. John's wort, soybean, ephedra and others are also surging in popularity or have been historically prevalent.2013 March 23, David S. Senchina, “Athletics and Herbal Supplements”, in American Scientist, volume 101, number 2, page 134:
2

To accelerate forwards, particularly suddenly.

  • A ship surges forwards, sways sideways and heaves up.
  • Wales began the second half as they ended the first, closing down Montenegro quickly and the pressure told as Bale surged into the box and pulled the ball back for skipper Ramsey, arriving on cue, to double their lead.2011 September 2, “Wales 2-1 Montenegro”, in BBC:
3

Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences Of a jet engine To experience a momentary reversal of airflow through the compressor section due to disruption of intake airflow.

  • Use of maximum reverse thrust at low speeds can cause the engine to surge from ingesting its own exhaust.
4

Nautical, Transport To slack off a line.

Derived terms
outsurge, splurge, unsurging, upsurge
Related terms
source, surgation

surge

noun

Etymology From Middle English sourge, of uncertain origin. In the earliest examples, translating Old French sourgeon (modern French surgeon), from sourge- (which the Middle English term is probably from), the present stem of sourdre, from Latin surgō (“to rise”).

1

Obsolete A spring; a fountain.

  • 1523-1525, John Bourchier, 2nd Baron Berners, Froissart's Chronicles all great rivers are gorged and assembled of various surges and springs of water

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.

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