pentose

名词 pentose:

1. any monosaccharide sugar containing five atoms of carbon per molecule

pen.tose

n.（名词）
Any of a class of monosaccharides having five carbon atoms per molecule and including ribose and several other sugars.
戊糖：分子中含有五个炭原子的一种单糖，包括核糖及其它几种单糖