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solve

[solv] /sɒlv/
verb (used with object), solved, solving.
1.
to find the answer or explanation for; clear up; explain:
to solve the mystery of the missing books.
2.
to work out the answer or solution to (a mathematical problem).
Origin
late Middle English
1400-1450
1400-50; late Middle English solven < Latin solvere to loosen, free, release, dissolve
Related forms
solver, noun
presolve, verb (used with object), presolved, presolving.
unsolved, adjective
well-solved, adjective
Synonyms
1. resolve, unravel, untangle, crack.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for unsolved
  • The formation of planetesimals is the biggest unsolved problem in the nebular disk model.
British Dictionary definitions for unsolved

unsolved

/ʌnˈsɒlvd/
adjective
1.
not having been solved or explained: several unsolved murders
Derived Forms
unsolvable, adjective

solve

/sɒlv/
verb (transitive)
1.
to find the explanation for or solution to (a mystery, problem, etc)
2.
(maths)
  1. to work out the answer to (a problem)
  2. to obtain the roots of (an equation)
Derived Forms
solver, noun
Word Origin
C15: from Latin solvere to loosen, release, free from debt
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 unsolved

solve

v.

late 14c., "to disperse, dissipate, loosen," from Latin solvere "to loosen, dissolve; untie, release, detach; depart; unlock; scatter; dismiss; accomplish, fulfill; explain; remove," from PIE *se-lu-, from reflexive pronoun *s(w)e- (see idiom) + root *leu- "to loosen, divide, cut apart" (see lose). The meaning "explain, answer" is attested from 1530s; for sense evolution, see solution. Mathematical use is attested from 1737. Related: Solved; solving.

Online Etymology Dictionary, © 2010 Douglas Harper
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