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a. A method or process of dealing with a problem: sought a solution to falling enrollments.
b. The answer to a problem or the explanation for something: the solution to the mystery.
a. A homogeneous mixture of two or more substances, which may be solids, liquids, gases, or a combination of these.
b. The process of forming such a mixture.
c. The state of being dissolved: nitrogen that is in solution in the ocean.
3. Archaic The act of separating or breaking up; dissolution.

[Middle English, from Old French, from Latin solūtiō, solūtiōn-, from solūtus, past participle of solvere, to loosen; see solute.]


1. (Chemistry) a homogeneous mixture of two or more substances in which the molecules or atoms of the substances are completely dispersed. The constituents can be solids, liquids, or gases
2. (Chemistry) the act or process of forming a solution
3. (Chemistry) the state of being dissolved (esp in the phrase in solution)
4. (Chemistry) a mixture of two or more substances in which one or more components are present as small particles with colloidal dimension; colloid: a colloidal solution.
5. a specific answer to or way of answering a problem
6. the act or process of solving a problem
7. (Mathematics) maths
a. the unique set of values that yield a true statement when substituted for the variables in an equation
b. a member of a set of assignments of values to variables under which a given statement is satisfied; a member of a solution set
8. (Pathology) the stage of a disease, following a crisis, resulting in its termination
9. (Law) law the payment, discharge, or satisfaction of a claim, debt, etc
[C14: from Latin solūtiō an unloosing, from solūtus; see solute]


(səˈlu ʃən)

1. the act or process of solving a problem.
2. the state of being solved.
3. an answer to a problem.
a. the process by which a gas, liquid, or solid is dispersed homogeneously in a gas, liquid, or solid without chemical change.
b. a homogeneous molecular mixture of two or more substances.
[1325–75; Middle English < Latin solūtiō, derivative of solū-, variant s. of solvere to loosen, dissolve (see solve)]


1. Chemistry A mixture in which particles of one or more substances are distributed uniformly throughout another substance, so that the mixture is homogeneous at the molecular or ionic level. The particles in a solution are smaller than those in either a colloid or a suspension. Compare colloid, suspension.
2. Mathematics A value or values which, when substituted for a variable in an equation, make the equation true. For example, the solutions to the equation x2 = 4 are 2 and -2.
Did You Know? A solution is a homogeneous mixture of two substances—that is, it has the same distribution of particles throughout. Technically speaking, a solution consists of a mixture of one or more solutes dissolved in a solvent. The particles of solute and solvent are molecules or ions, with one or more solvent molecules bound to each solute particle. Both the solvent and the solute can be solid, liquid, or gas, but the solvent is usually liquid. We use solutions every day without realizing it. The ammonia with which we clean windows and floors is a solution of ammonia gas in water. The vinegar we sometimes put on salads is a solution of acetic acid (a liquid) and water. And seawater is a solution of sodium chloride (a solid) and water. Other common solutions are gasoline and metal alloys, including the solution of copper and nickel that gets minted as dimes, nickels, and quarters.



cut the Gordian knot To resolve a situation or solve a problem by force or evasive action; to take action quickly, decisively, and boldly.

Turn him to any cause of policy, The Gordian knot of it he will unloose.
(Shakespeare, Henry V, I, i)

According to Greek legend, Phrygia (now part of Turkey) was in need of a leader to end its political and economic woes. The local oracle foretold that a man fit to be king would enter the city in a cart. Shortly thereafter, Gordius, a peasant, rode into town in an ox-cart which was connected to the yoke by an intricate knot made of bark. After being proclaimed king, Gordius dedicated the cart to Zeus, whereupon the oracle predicted that whoever was able to undo the knot would rule over all of Asia. In 333 B.C., Alexander the Great reputedly entered the temple and cut the knot with his sword, thus fulfilling the prophecy. The expression cut the knot is a variation.

deus ex machina See RESCUE.

a hair of the dog that bit you See FOOD and DRINK.

hammer out To work out laboriously or with much intellectual effort; to figure out, to settle, to resolve. This verb phrase usually appears in a context implying that opposing and conflicting forces have resolved differences or tensions. The term was clearly coined as the figurative extension of the literal pounding and hammering of a blacksmith as he shapes metal objects.

just what the doctor ordered Something desirable or restorative. A product of our health- and medicine-conscious culture, this expression is said of anything—a person, a substance, an idea—which has a soothing, palliative, make-it-all-better effect.

The waiter brought her a drink. “Just what the doctor ordered,” she said, smiling at him. (Gore Vidal, City and Pillar, 1948)

open sesame Any agency through which a desired result is realized; the key to a mystery or other perplexing situation; any real or magic act that brings about wanted fame, acceptance, etc. This saying comes from The Arabian Nights (1785) where it was used by Ali Baba as the password to open up the door of a robber’s hideaway.

Ali Baba … perceiving the door, … said—“Open, sesame.”

The expression was perhaps derived homonymously from open-says-me.

Thy name shall be a Sesame, at which the doors of the great shall fly open. (Charles Calverley, Verses and Translations, 1862)

pull out of a hat To come up unexpectedly with a response or solution, often in the nick of time, when all else has failed. This expression appeared in print during the mid-1900s. It alludes to the magician’s trick of pulling a rabbit out of a hat.

I must say you’ve really pulled one out of the hat this time. (J. McClune, Steam Pig, 1971)

Rosetta stone The agency through which a puzzle is solved; something that provides the initial step in the understanding of a previously incomprehensible design or situation. The Rosetta stone, discovered in 1799 by the French engineer M. Boussard, is an ancient basalt table which bears inscriptions in two languages—Egyptian and Greek—and three alphabets—hieroglyphic, demotic (a cursive type of Egyptian hieroglyphics), and Greek. This archaeological windfall furnished the key to translating the hitherto indecipherable Egyptian hieroglyphics. The expression’s current figurative use as a reference to the first clue in unraveling a mystery was illustrated by Ellsworth Ferris, as cited in Webster’s Third:

This book can be its own Rosetta stone and it is an interesting game to try to ferret out meanings by comparing passages till the puzzle is solved.


A uniform mixture of one or more solutes in a solvent. It usually refers to solids dissolved in liquids but can also refer to gases in liquids, gases in solids, etc.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.solution - a homogeneous mixture of two or more substancessolution - a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water"
saltiness - the property of containing salt (as a compound or in solution)
brine - a strong solution of salt and water used for pickling
normality, N - (of a solution) concentration expressed in gram equivalents of solute per liter
solubility - the quantity of a particular substance that can dissolve in a particular solvent (yielding a saturated solution)
mixture - (chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
aqueous solution - a solution in water
congo red - a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
bleach liquor - a solution containing bleaching agents that is used to bleach textiles or paper pulp
buffer solution - a solution containing a buffer
collodion - a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films
chlorine water - an aqueous solution of chlorine used as a bleaching agent
conjugate, conjugate solution - a mixture of two partially miscible liquids A and B produces two conjugate solutions: one of A in B and another of B in A
dilution - a diluted solution
electrolyte - a solution that conducts electricity; "the proper amount and distribution of electrolytes in the body is essential for health"
eluate - a liquid solution that results from elution
Fehling's solution - a liquid solution of copper sulfate and potassium tartrate and sodium hydroxide that is used to test for sugar in the urine; solution turns reddish when sugar is present
formalin, formol - a 10% solution of formaldehyde in water; used as a disinfectant or to preserve biological specimens
gargle, mouthwash - a medicated solution used for gargling and rinsing the mouth
extract, infusion - a solution obtained by steeping or soaking a substance (usually in water)
injectant, injection - any solution that is injected (as into the skin)
isosmotic solution, isotonic solution - a solution having the same osmotic pressure as blood
liquid bleach - a solution containing bleaching agents; used for laundry
fluorescein, fluoresceine, fluorescent dye, resorcinolphthalein - a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
sap - a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant
primary solid solution, solid solution - a homogeneous solid that can exist over a range of component chemicals; a constituent of alloys that is formed when atoms of an element are incorporated into the crystals of a metal
sal volatile, spirits of ammonia - a solution of ammonium carbonate in ammonia water and alcohol
Gram's solution - a solution used in staining bacteria by Gram's method; consists of one part iodine and two parts potassium iodide and 300 parts water
toner - a solution containing chemicals that can change the color of a photographic print
2.solution - a statement that solves a problem or explains how to solve the problemsolution - a statement that solves a problem or explains how to solve the problem; "they were trying to find a peaceful solution"; "the answers were in the back of the book"; "he computed the result to four decimal places"
statement - a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc; "according to his statement he was in London on that day"
denouement - the final resolution of the main complication of a literary or dramatic work
3.solution - a method for solving a problem; "the easy solution is to look it up in the handbook"
method - a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps)
silver bullet - a simple guaranteed solution for a difficult problem; "no silver bullet can make the world safe from terrorism"
4.solution - the set of values that give a true statement when substituted into an equation
set - (mathematics) an abstract collection of numbers or symbols; "the set of prime numbers is infinite"
5.solution - the successful action of solving a problem; "the solution took three hours"
success - an attainment that is successful; "his success in the marathon was unexpected"; "his new play was a great success"


1. answer, resolution, key, result, solving, explanation, unfolding, unravelling, clarification, explication, elucidation the ability to sort out effective solutions to practical problems
2. (Chemistry) mixture, mix, compound, blend, suspension, solvent, emulsion a warm solution of liquid detergent


Something worked out to explain, resolve, or provide a method for dealing with and settling a problem:
Mathematics: result.
ايجاد الحَلحَلحَلّمَحْلول
ทางออก ทางแก้ปัญหา
cách giải quyết


[səˈluːʃən] N
1. (= answer) → solución f
the solution to a problemla solución de or a un problema
2. (Chem) → solución f
in solutionen solución


[səˈluːʃən] n
(= answer) (to problem, difficult situation, puzzle)solution f
a solution to sth → une solution à qch
(= liquid) → solution f


Lösung f (→ to +gen); (of crime)Aufklärung f; a problem incapable of solutionein unlösbares Problem
(Chem: = liquid) → Lösung f; (= act)Auflösen nt


[səˈluːʃn] nsoluzione f


(ˈsoljubl) adjective
1. able to be dissolved or made liquid. This dye is soluble in water.
2. (of a problem, difficulty etc) able to be solved.
solution (səˈluːʃən) noun
1. an answer to a problem, difficulty or puzzle. the solution to a crossword.
2. the act of finding such an answer.
3. a liquid with something dissolved in it. a solution of salt and water.


حَلّ řešení løsning Lösung λύση solución ratkaisu solution rješenje soluzione 解決 해법 oplossing løsning rozwiązanie solução раствор lösning ทางออก ทางแก้ปัญหา çözüm cách giải quyết 溶液


n. solución.


n solución f; buffer — solución tampón, solución amortiguadora; electrolyte — suero fisiológico, solución electrolítica; normal saline — solución salina normal, suero (fam); oral rehydration — solución or suero de rehidratación oral
References in classic literature ?
There remained, then, only two possible solutions of the question, which created two distinct parties: on one side, those who were for a monster of colossal strength; on the other, those who were for a submarine vessel of enormous motive power.
With respect to critical difficulties and their solutions, the number and nature of the sources from which they may be drawn may be thus exhibited.
He is fond of enigmas, of conundrums, of hieroglyphics; exhibiting in his solutions of each a degree of acumen which appears to the ordinary apprehension præternatural.
The king of the place having offered a reward for the solution of two very difficult problems, they were solved upon the spot -- the one by the bees, and the other by the birds; but the king keeping their solution a secret, it was only after the most profound researches and labor, and the writing of an infinity of big books, during a long series of years, that the men-mathematicians at length arrived at the identical solutions which had been given upon the spot by the bees and by the birds.
Of course I might go away without writing a word, but that would be brutal and my idea was still to exclude brutal solutions.
My dear fellow," said he, "it was one of the first solutions which occurred to me, but I was soon able to corroborate the doctor's tale.
Strange thoughts are bred in passing through crowded streets should the passenger, by chance, have no exact destination in front of him, much as the mind shapes all kinds of forms, solutions, images when listening inattentively to music.
In my efforts to discover new rights for man, I thought that with the aid of modern thought I could penetrate further into the questions to which those old-world systems of philosophy had furnished solutions.
Lloyd's discovery of the "death bacillus" of the sea toad, and his experiments on it with potassium cyanide, sent his name and that of his university ringing round the world; nor was Paul a whit behind when he succeeded in producing laboratory colloids exhibiting amoeba-like activities, and when he cast new light upon the processes of fertilization through his startling experiments with simple sodium chlorides and magnesium solutions on low forms of marine life.
His wisdom was of an official kind, or else he might have reflected upon a matter not of theory but of experience that in the close-woven stuff of relations between conspirator and police there occur unexpected solutions of continuity, sudden holes in space and time.
Send your wife up to the wedding," exclaimed the Doctor, foreseeing a happy solution.
That his uncle should arrive to treat with me of these things was a solution that, strictly speaking, I ought now to have desired to bring on; but I could so little face the ugliness and the pain of it that I simply procrastinated and lived from hand to mouth.

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