Correct spelling for the English word "diplosal" is [dɪplˈə͡ʊzə͡l], [dɪplˈəʊzəl], [d_ɪ_p_l_ˈəʊ_z_əl] (IPA phonetic alphabet).
Trade name of salicyl salicylic acid; employed for the same purposes as sodium salicylate, phenyl salicylate, and other remedies of that group, in doses of gr. v-xv (0.3-1.0).
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.