preheating


preheating

[prē′hēd·iŋ] (astronomy) A scenario suggested by detailed calculations of the inflationary universe cosmology in which the order parameter, as it relaxes about a new potential minimum following inflation, exhibits vibrations that can release energy in certain nonthermal modes.

preheating

The partial heating of water in a domestic water system by circulating it through a first-stage heat exchanger before circulating it through the final heater.