Porphyrogenitism Por`phy*ro*gen"i*tism, n. [LL. porphyro genitus, fr. Gr. ?; ? purple + root of gi`gnesqai to be born.] The principle of succession in royal families, especially among the Eastern Roman emperors, by which a younger son, if born after the accession of his father to the throne, was preferred to an elder son who was not so born. --Sir T. Palgrave. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • porphyrogenitism — / ō jenˈit izm/ noun The Byzantine principle of the first son born after his father s accession succeeding to the throne • • • Main Entry: ↑porphyrogenite …   Useful english dictionary

  • porphyry —   n. rock composed of crystals in purple coloured matrix; any rock of like composition.    ♦ porphyritic, a.    ♦ porphyrogenitic, a. royal born.    ♦ porphyrogenitism,   n. succession to throne of son born after his father s accession in… …   Dictionary of difficult words

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