physiologianrare—1.|ˌfɪzɪəʊˈləʊdʒ(ɪ)ən| [f. L. physiologia physiology + -an: cf.theologian.] = physiologist 2. 1825Beddoes Let. Sept., Poems (1851) p. xlvii, Blumenbach,..is, I fancy, of the first rank as mineralogist, physiologian, geologist, botanist, natural-historian, and physician.