a compound of high molecular weight made by adding many smaller molecules or by condensation smaller molecules with the elimination of water or alcohol
a preparation containing an insoluble dye converted by reduction into a soluble leuco base, or a vessel containing such a preparation
like or containing an alkali, which neutralize acids to form salts and turn red litmus paper blue, or having a pH value greater than 7
noting compounds that readily decompose or change into other compounds
to remove impurities from a gas by chemical means, as sulfur dioxide from smokestack gas or carbon dioxide from exhaled air in life-support packs
