Correct spelling for the English word "gryochrome" is [ɡɹˈa͡ɪəkɹˌə͡ʊm], [ɡɹˈaɪəkɹˌəʊm], [ɡ_ɹ_ˈaɪ_ə_k_ɹ_ˌəʊ_m] (IPA phonetic alphabet).
A term applied by Nissl to nerve-cells in which the stainable portion is present in the form of minute granules without definite arrangement.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.