| ammonium hydroxide |
a colorless basic solution produced by dissolving ammonia in water, used as a household cleaner and in the production of textiles, plastic, and the like. (See ammonia.) |
| answer |
the solution to a problem. [1/9 definitions] |
| aqua |
water, or a watery solution. [1/2 definitions] |
| bittern2 |
a bitter solution of bromides, iodides, and other salts that remains after sodium chloride has been crystallized out of sea water or brine. |
| brainstorm |
to produce (an idea, suggestion, or solution) by brainstorming. [2/6 definitions] |
| brine |
a saltwater solution for pickling foods. [1/4 definitions] |
| buffer1 |
in chemistry, a substance that preserves the relative acidity or alkalinity of a solution when an acid or base is added. [2/6 definitions] |
| carbonic acid |
a weak colorless unstable acid, present only in solution, formed by dissolving carbon dioxide in water. |
| chromic acid |
an acid containing chromium that exists only in solution or in the form of its salts. |
| collodion |
in chemistry, a thick solution of pyroxylin suspended in alcohol and ether, used in producing photographic film, in cementing surgical bandages and sealing wounds, and in engraving and lithography. |
| concentrated |
distilled to a stronger solution, usu. by removing liquid. [1/3 definitions] |
| confront |
to present for solution or acknowledgment. [1/3 definitions] |
| conundrum |
a puzzle or problem with a difficult or impossible solution. [1/2 definitions] |
| crack |
to figure out; find a solution to. [1/15 definitions] |
| defecate |
to purify (a chemical solution or the like); clear of dregs. [1/2 definitions] |
| deoxygenate |
to remove free oxygen from (a gaseous mixture or a solution). |
| devise |
to invent or make (a plan, device, or solution of a problem), esp. by a fresh application of known information; arrange; contrive. [1/3 definitions] |
| dialysis |
the separation of substances in a solution by diffusion through a semipermeable membrane, used to eliminate impurities from the blood in patients with kidney failure. |
| dilemma |
a problem situation that requires a choice between equally undesirable solutions or that resists satisfactory solution. [1/2 definitions] |
| dilute |
to make (a solution) thinner or less concentrated by adding more solvent. [1/4 definitions] |
| dip |
to immerse (an animal) in a solution to kill parasites or germs. [1/15 definitions] |