Boiling down the blubber was, certainly, a tedious operation.
"Sugaring off," as the boiling down of the sap is called, is quite an event.
The first quality of rosin is prepared by boiling down Venice turpentine.
It would mean a boiling down of the products of every manufacturer we deal with, and skimming the cream off the top.
Every evening I ran up to see Jenny in the bush, singing and boiling down the sap in the front of her little shanty.
Make jelly by boiling down fish of any kind or calves' feet; clear it with white of egg, and pour a little milk in a mould.
Pitch, pich, n. the solid black shining substance obtained by boiling down common tar.
Reduce the broth by boiling down to about a cupful, and put in a jar with the meat, and add a whiskey glass of sherry wine.
The sap is gathered daily from the trees and put in larger tubs for the purpose of boiling down.
I thought I had swallowed the Devil himself, whom the old woman had been boiling down.