Mid 19th century; earliest use found in Robert Thomson (1810–1864), medical officer of health. After German Eichelzucker or its French model sucre de gland.
Definition of acorn sugar in US English:
acorn sugar
noun
rare
= quercitol.
Origin
Mid 19th century; earliest use found in Robert Thomson (1810–1864), medical officer of health. After German Eichelzucker or its French model sucre de gland.