noun
: a phosphoric derivative of a hexose (as glucose phosphate) of which two types have been found in living tissues as intermediates of carbohydrate metabolism:
a. or hexose monophosphate : a mono-phosphoric ester or acylal C 6 H 11 O 5 (OPO 3 H 2 )
b. or hexose diphosphate : a diphosphoric ester C 6 H 10 O 4 (OPO 3 H 2 ) 2