i Register
In some senses, elixation is marked as archaic, obsolete. Watch for register when choosing this word.
noun
Boiling, stewing.
Digestion (in the stomach).
Elixation is the seething of meat in the stomach, by the said natural heat, as meat s boiled in a pot; to which corruption or putrefaction is opposite.
Boiling in order to produce an elixir