Any organic compound having two hydroxy functional groups(noun)
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Use "diol" in a sentence
"This kind of motion, if it were to occur in the ene-diol of G6P could add the C-2 proton to the flip face and produce mannose-6-P."
"Wema Wemeta, Negana i bukek diol, di Njami, i-diol de Kak"
"The monoetherified diols according to the present invention are produced by reacting the diol with a halogenated alcohol CHOR1R2 in the presence of a catalyst acid."