intensify
In*ten"si*fy, v. t. [imp. & p. p. Intensified; p. pr. & vb. n. Intensifying.] Etym: [Intense + -fly.] Defn: To render more intense; as, to intensify heat or cold; to intensify colors; to intensify a photographic negative; to intensify animosity. Bacon. How piercing is the sting of pride By want embittered and intensified. Longfellow. In*ten"si*fy, v. i. Defn: To become intense, or more intense; to act with increasing power or energy.