- The soft, bitter, yellowish material produced when animal meat, bread, gum, sugar, starch, etc. tend to be roasted till they turn brown.
- The peculiar bitter substance, smooth or fluid, and of a yellow color, created when beef, breads, gum, sugar, starch, and stuff like that, tend to be roasted till they turn brown.
- A bitter material made by roasting in the air these types of substances as sugar, meat, breads, whole grain, etc., until they turn brown. Baron von Reichenbach.