Technical term for a second heating; often uncountable but can take the plural form 'reheats'.
The turbine is fitted with a reheat to improve efficiency.
La turbine est équipée d'un réchauffage pour améliorer le rendement.
Generally non-gradable; comparative and superlative forms are rarely, if ever, used.
réchauffageDans les contextes techniques, surtout pour les appareils de cuisine.