Synonym: conservation, saving. Similar words: reservation, observation, conservation, preserve, conservative, conservatism, proportional representation, presentation. Meaning: [‚prezə(r)'veɪʃn] 
n. 1. the activity of protecting something from loss or danger 2. the condition of being (well or ill) preserved 3. a process that saves organic substances from decay 4. an occurrence of improvement by virtue of preventing loss or injury or other change.
n. 1. the activity of protecting something from loss or danger 2. the condition of being (well or ill) preserved 3. a process that saves organic substances from decay 4. an occurrence of improvement by virtue of preventing loss or injury or other change. 151. Its particularity lies in the box board the intensity, the heat preservation, the refrigeration thermal insulation.
152. Some analyses and suggestions were given on the normal casting defects, such as rat tail, sand mold convey after mixing, the number of cores in core shooter and preservation period of molding sand.
More similar words: reservation, observation, conservation, preserve, conservative, conservatism, proportional representation, presentation, preserved, representation, misrepresentation, starvation, observatory, reserve, desertification, reserved, reservoir, prestidigitation, privatization, privatisation, representative, ovation, enervate, servant, privation, elevation, salvation, derivation, renovation, innovation.