cération

cération
(sé-ra-sion) s. f.
Terme de chimie ancienne. Opération qui rend une matière propre à se dissoudre ou à se fondre, afin qu'elle puisse pénétrer plus aisément les corps solides.
   Cera, cire.

Dictionnaire de la Langue Française d'Émile Littré. . 1872-1877.

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