Water: Water. A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. It ...
Separation of a mixture in successive stages, each stage removing from the mixture some proportion of one of the substances, as by differential solubility in ...
Various mixtures of fats, waxes, animal and plant oils and solid and liquid hydrocarbons; vehicles for medicinal substances intended for external application; there are four ...
