AskDefine | Define triose

Dictionary Definition

triose n : any monosaccharide sugar containing three atoms of carbon per molecule

User Contributed Dictionary



From tri, meaning three and -ose meaning sugar


  1. A sugar or saccharide containing three carbon atoms. Trioses are the smallest monosaccharides.
Dihydroxyacetone and L- / D-glyceraldehyde are the only trioses.

Extensive Definition

A triose is a monosaccharide containing three carbon atoms. There are only two trioses, an aldotriose (glyceraldehyde) and a ketotriose (dihydroxyacetone). Trioses are important in respiration.
The D-aldotriose is D-Glyceraldehyde
The ketotriose is dihydroxyacetone:

See also

triose in German: Triosen
triose in Modern Greek (1453-): Τριόζη
triose in Spanish: Triosa
triose in Esperanto: Triozo
triose in French: Triose
triose in Polish: Triozy
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