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Longman Dictionary of Contemporary English
▪ Phenol is more soluble in alkali than in water.
▪ The gypsum crust is more soluble than the limestone so it is quite rapidly weathered by rainwater.
▪ The uranyl salt is more soluble in butanol and NaCl more soluble in water.
▪ Manganese bicarbonate, although similar in its reactions to ferrous bicarbonate, is more soluble.
▪ Potassium, rather than sodium salts, are sometimes used as these are more soluble although more expensive.
▪ For a more soluble preparation mix the usual amount of essential oil into a tablespoonful of unperfumed liquid soap.
▪ The use of soluble chemical fertilizers is banned, as they seep into rivers and pollute the water supply.
▪ There are two sorts of vitamins: some are soluble in fat, and some soluble in water.
▪ A soluble form of this protein could bind to the virus and prevent it from binding to human T cells.
▪ Another grouping can be between organic and inorganic soils which relates to alkali soluble and acid soluble soils.
▪ However the globulins are insoluble in water but soluble in weak salt solutions.
▪ Oddly enough, however, ethanol is also soluble in oils and fats.
▪ Phenol is more soluble in alkali than in water.
▪ The copal was heat treated to make it soluble in oils and solvents.
▪ The most pressing of all the problems of family poverty, however, remains the least soluble.
The Collaborative International Dictionary

Soluble \Sol"u*ble\, a. [L. solubilis, fr. solvere, solutum, to loosen, to dissolve: cf. F. soluble. See Solve, and cf. Solvable.]

  1. Susceptible of being dissolved in a fluid; capable of solution; as, some substances are soluble in alcohol which are not soluble in water.

    Sugar is . . . soluble in water and fusible in fire.

  2. Susceptible of being solved; as, a soluble algebraic problem; susceptible of being disentangled, unraveled, or explained; as, the mystery is perhaps soluble. ``More soluble is this knot.''

  3. Relaxed; open or readily opened. [R.] ``The bowels must be kept soluble.''

    Soluble glass. (Chem.) See under Glass.

Douglas Harper's Etymology Dictionary

late 14c., "capable of being dissolved," from Old French soluble "expungable, eradicable" (13c.), from Late Latin solubilis "that may be loosened or dissolved," from stem of Latin solvere "loosen, dissolve" (see solve). Meaning "capable of being solved" is attested from 1705. Substances are soluble, not solvable; problems can be either.\n


a. 1 able to be dissolved. 2 Able to be solved or explained.

  1. adj. (of a substance) capable of being dissolved in some solvent (usually water) [ant: insoluble]

  2. susceptible of solution or of being solved or explained; "the puzzle is soluble" [ant: insoluble]


Usage examples of "soluble".

Compounds such as antimonite which are soluble in hydrochloric should be dissolved at once in that acid.

Fusion with bisulphate of potash gives a residue, which does not dissolve in water, but is soluble in ammonic carbonate.

Its salts are known as bromates, and are as a general rule difficultly soluble in water, and decomposed by heat, with evolution of oxygen.

Again, the metals precipitated in the acid solution form sulphides which may be divided into groups, the one consisting of those which are soluble, and the other of those which are not soluble, in alkalies.

A special cocktail of granulocytes, monocytes, lymphocytes and soluble proteins.

The soluble indulines and nigrosines differentiate in appearance, the first a bronzy powder and the latter a black lustrous powder.

This fact probably indicates that the ferment is not secreted until the glands are excited by the absorption of a minute quantity of already soluble animal matter,a conclusion which is supported by what we shall hereafter see with respect to Dionaea.

The residue will contain the strontia as carbonate, which is readily soluble in dilute hydrochloric or nitric acid.

Now, superphosphate of lime is composed necessarily of soluble phosphate of lime and plaster, or sulphate of lime, formed from a combination of the sulphuric acid, employed in the manufacture of superphosphate, with the lime of the bones.

The wet precipitate is very bulky, of a dark-brown colour and readily soluble in dilute acids, but insoluble in ammonia and dilute alkalies.

The reduced metal is only slowly dissolved by hydrochloric acid, and although it is readily soluble in aqua regia, the solution cannot be evaporated or freed from the excess of acids, by boiling, without loss of tin, because of the volatility of stannic chloride.

After ignition, it is insoluble in acids, except sulphuric, but is rendered soluble by fusion with alkalies.

In most cases substances soluble in acids are first removed, and the insoluble residue dried, weighed, and then calcined or burned in a current of air.

The commonest soluble impurity is calcium sulphate, which produces a whitish scum on the face of the brick in drying, and as the scum becomes permanently fixed in burning, such bricks are of little use except for common work.

Cupric compounds are generally green or blue, and are soluble in ammonia, forming deep blue solutions.