porphyry

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por·phy·ry

 (pôr′fə-rē)
n. pl. por·phy·ries
1. Any of various varieties of reddish-purple rock, often containing light-colored crystals, used as a decorative stone.
2. Geology Rock containing relatively large conspicuous crystals, especially of feldspar, in a fine-grained igneous matrix.

[Middle English porphiri, porfurie, purplish-red porphyry, from Old French porfire, from Italian porfiro, from Medieval Latin porphyrium, from Latin porphyrītēs, from Greek porphurītēs, from porphurā, mollusk yielding Tyrian purple, Tyrian purple garment; see purple.]

porphyry

(ˈpɔːfɪrɪ)
n, pl -ries
1. (Geological Science) any igneous rock with large crystals embedded in a finer groundmass of minerals
2. (Geological Science) obsolete a reddish-purple rock consisting of large crystals of feldspar in a finer groundmass of feldspar, hornblende, etc
[C14 porfurie, from Late Latin porphyrītēs, from Greek porphuritēs (lithos) purple (stone), from porphuros purple]

Porphyry

(ˈpɔːfɪrɪ)
n
(Biography) original name Malchus. 232–305 ad, Greek Neo-Platonist philosopher, born in Syria; disciple and biographer of Plotinus

por•phy•ry

(ˈpɔr fə ri)

n., pl. -ries.
1. a very hard rock, anciently quarried in Egypt, having a dark, purplish red groundmass containing small crystals of feldspar.
2. any igneous rock containing coarse crystals, as phenocrysts, in a finer-grained groundmass.
[1350–1400; Middle English porfurie, porfirie < Medieval Latin porphyreum, alter. of Latin porphyrītēs < Greek porphyritēs (líthos) porphyritic (i.e., purplish) stone =pórphyr(os) purple + -ītēs; see -ite1]
por`phy•rit′ic (-ˈrɪt ɪk) adj.

por·phy·ry

(pôr′fə-rē)
A fine-grained igneous rock containing some relatively large crystals, especially of feldspar.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.porphyry - any igneous rock with crystals embedded in a finer groundmass of mineralsporphyry - any igneous rock with crystals embedded in a finer groundmass of minerals
groundmass - (geology) the matrix of fine-grained crystalline material in which larger crystals are embedded
igneous rock - rock formed by the solidification of molten magma
Translations

porphyry

[ˈpɔːfɪrɪ] Npórfido m

porphyry

nPorphyr m
References in periodicals archive ?
Gianni Vattimo prepares II pensiero debole (1983; Weak Thought) that included Eco's article on the Porphyrian tree, labyrinths, and rhizome.
Keywords: Category, subcategory, Porphyrian Tree, Minimal and Maximal Division, categorial property.
Tertullian's implication that a senatus consultum outlawed Christianity is confirmed by the Acts of Apollonius, a senator who died as a martyr under Commodus (55), and above all by a Porphyrian passage.
Among his topics are the integration of humanism in the educational program of the Jesuits, Jesuits between religion and science, the Jesuits and the Janus-faced history of natural sciences, Rodrigo de Arriaga on immortality as a response to Platonism, and the Porphyrian Tree in philosophy of the 17th and 18th centuries.
Evidently, Augustine read a few Plotinian and Porphyrian treatises, but those he had read he knew well.
This book introduces the quasi Porphyrian trees that serve to structure much of the information Fludd presents (this compendious method of presentation was employed earlier by Artusi in his summary of Zarlino's work).
39) Casalboni 2001, 48--55; Motti 2004, 14--24; Tornielli 2005, 61--63 on the tale of the Widow of Ephesus as a parody of resurrection and the connection with the Nazareth Edict; 84--84 on the Porphyrian fragment referring to Jesus' apparitions after his resurrection and the s.
However, despite the fact that the Platonic idea of automatic reincarnation or the Pythagorean (or Porphyrian or Celtic/bardic) conception transmigration of souls offers solace to those individuals raised with a univalent belief in either salvation or damnation, to accept this doctrine without modification would be a mockery of Yeats's decades of study: first in the Theosophical Society, then as a member of the Theosophical Society's Esoteric Section, then his 32 year tenure as an initiate in the Golden Dawn, and finally the years of work he put in on A Vision.
Fragments of more than seventy-five works (including those extant) have recently been gathered by Andrew Smith,(4) who has thus made good a promise made twenty years ago to fill this glaring gap in Porphyrian scholarship.
Although one may quibble here with much of Zimmermann's specific argumentation, the evidence he marshals against any "suppositious" Porphyrian Vorlage to the Theology seems convincing.
following the Porphyrian reading of the Plotinian argument of the causal priority of the One with regard to the multiple (111, 9 [13] 4, 1-9; VI 4 [22] 3), as applied to God, Intellect and Soul.
Oderberg also defends the view that things are correctly defined in terms of genus, species, and difference in accordance with the Porphyrian tree.