Question: are glycerol and glyceraldehyde the same thing?
Answer: As nouns the difference between glycerol and glyceraldehyde is that glycerol is (organic compound) 1,2,3-trihydroxy-propane or propan-1,2,3-triol; a trihydric alcohol while glyceraldehyde is (organic compound|carbohydrate) the aldotriose 2,3-dihydroxypropanal formed by oxidation of glycerol.