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prolong

[pruh-lawng, -long] /prəˈlɔŋ, -ˈlɒŋ/
verb (used with object)
1.
to lengthen out in time; extend the duration of; cause to continue longer:
to prolong one's stay abroad.
2.
to make longer in spatial extent:
to prolong a line.
Origin
late Middle English
1375-1425
1375-1425; late Middle English prolongen < Late Latin prōlongāre to lengthen, equivalent to prō- pro-1 + long(us) long1 + -ā- theme vowel + -re infinitive ending
Related forms
prolongable, adjective
prolongableness, noun
prolongably, adverb
prolonger, noun
prolongment, noun
unprolongable, adjective
unprolonged, adjective
well-prolonged, adjective
Synonyms
1. See lengthen.
Antonyms
1. abbreviate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for prolong
  • Because aspirin may prolong bleeding, it should be avoided.
  • That or they use it to prolong the degree cycle in order to get more student--teaching out of their phd.
  • When they rise, consumers prolong payments and the duration of these securities lengthens.
  • Small chunks cut from a fake fireplace log will prolong the burn.
  • In government laboratories and elsewhere, scientists are seeking a drug able to prolong life and youthful vigor.
  • Deadheading the spent blossoms helps prolong bloom time.
  • Natural substances can treat cancer, prolong life and trigger amazing hallucinations.
  • Less visibly, antipsychotic medication can prolong remissions and reduce the potential for acute episodes.
  • Dutch doctors, by contrast, try to prolong the pregnancy.
  • But well-intentioned glial reactions to intense pain can at times prolong that pain.
British Dictionary definitions for prolong

prolong

/prəˈlɒŋ/
verb
1.
(transitive) to lengthen in duration or space; extend
Derived Forms
prolongation (ˌprəʊlɒŋˈɡeɪʃən) noun
prolonger, noun
prolongment, noun
Word Origin
C15: from Late Latin prōlongāre to extend, from Latin pro-1 + longus long
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 prolong
v.

early 15c., back-formation from prolongation or else from Old French prolonguer, porloignier (13c.), from Late Latin prolongare "to prolong, extend," from Latin pro- "forth" (see pro-) + longus "long" (adj.); see long (adj.). Related: Prolonged; prolonging; prolongable.

Online Etymology Dictionary, © 2010 Douglas Harper
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