aldose

noun Chemistry.

1. a sugar containing the aldehyde group or its hemiacetal equivalent.

noun

1. a sugar that contains the aldehyde group or is a hemiacetal

n.

1. Any of a class of monosaccharide sugars containing an aldehyde group.

1. Any of a class of simple sugars (monosaccharides) containing an aldehyde group (CHO). Galactose, glucose, and ribose are all aldoses. Compare ketose.