erythritol
/ɪˈrɪθrɪtɒl/noun
mass noun
1- Chemistry a sweet substance extracted from certain lichens and algae. It is used medicinally as a vasodilator.【化】赤藓（糖）醇。
1.1
- A tetrahydric alcohol; chem. formula: C4H10O4.一种四元醇; 化学分子式： C4H10O4.
词源
late 19th cent.: from erythrite （earlier name for erythritol） + -OL.