PLEIOCHROISM
\ple͡ɪˈɒkɹə͡ʊˌɪzəm], \pleɪˈɒkɹəʊˌɪzəm], \p_l_eɪ_ˈɒ_k_ɹ_əʊ_ˌɪ_z_ə_m]\
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pl[=i]-ok'r[=o]-izm, n. the property in some crystals, such as some species of topaz, where three distinct colours may be observed on looking through them along three rectangular axes.--Also POL'YCHR[=O]ISM. [Gr. plei[=o]n, ple[=o]n, more, chroa, colour.]
By Thomas Davidson
Word of the day
basidiomycota
- comprises fungi bearing the spores on basidium: Gasteromycetes (puffballs); Tiliomycetes (comprising orders Ustilaginales (smuts) and Uredinales (rusts)); Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi); in some classification systems considered a division of kingdom comprises fungi bearing spores on a basidium; includes Gasteromycetes (puffballs) Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) Hymenomycetes (mushrooms, toadstools, agarics bracket fungi).