porphyry


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Related to porphyry: porphyria

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

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 classic literature ?
After wandering through many marble halls, he came to a huge staircase made of porphyry, leading down to a lovely garden.
When he chose to take a walk it was with a regular step in the entrance hall with its mosaic flooring, or in the circular gallery with its dome supported by twenty red porphyry Ionic columns, and illumined by blue painted windows.
The current occasionally brings down fragments of granite and porphyry.
Porthos, refreshed, had already commenced the descent, and his heavy step resounded amongst the cavities, formed and supported by columns of porphyry and granite.
First, that on the above-mentioned Feast of the Assumption, small beer having been served to the novices in the proportion of one quart to each four, the said brother John did drain the pot at one draught to the detriment of brother Paul, brother Porphyry and brother Ambrose, who could scarce eat their none-meat of salted stock-fish on account of their exceeding dryness,"
So too can brother Porphyry, who was with me, and brother Mark of the Spicarium, who hath been so much stirred and inwardly troubled by the sight that he now lies in a fever through it.
From the Strait of Magellan to the Colorado, a distance of about eight hundred miles, the face of the country is everywhere composed of shingle: the pebbles are chiefly of porphyry, and probably owe their origin to the rocks of the Cordillera.
The trances of Socrates, the "union" of Plotinus, the vision of Porphyry, the conversion of Paul, the aurora of Behmen, the convulsions of George Fox and his Quakers, the illumination of Swedenborg, are of this kind.
Xanadu Mines has begun a second phase exploration program at its Oyut Uln copper-gold porphyry project in the South Gobi region of Mongolia.
VANCOUVER, June 11 /PRNewswire-FirstCall/ -- Further to the Company's news release on May 16, 2007 delineating significant molybdenum potential in the replacement target area at Big Bar's Yuma King project, further interpretation of the multi-element fire assay data from Activation Laboratories of Ancaster, Ontario indicates that significant molybdenum potential also exists in the newly identified porphyry copper target area (see press release dated February 21, 2007).
It is the rare visitor to Florence who has stopped to examine the porphyry tablet set into the riser of the step leading up to the church of S.
com/research/e4dd10/granite_porphyry) has announced the addition of the "Granite, Porphyry, Basalt, Sandstone, etc.