Correct spelling for the English word "laiose" is [lˈe͡ɪə͡ʊz], [lˈeɪəʊz], [l_ˈeɪ_əʊ_z] (IPA phonetic alphabet).
A substance resembling levulose but not fermentable with yeast.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.