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Definition of Porphyry
1. Noun. Any igneous rock with crystals embedded in a finer groundmass of minerals.
Terms within: Groundmass
Generic synonyms: Igneous Rock
Derivative terms: Porphyritic
Definition of Porphyry
1. n. A term used somewhat loosely to designate a rock consisting of a fine-grained base (usually feldspathic) through which crystals, as of feldspar or quartz, are disseminated. There are red, purple, and green varieties, which are highly esteemed as marbles.
Definition of Porphyry
1. Noun. (geology) a hard igneous rock consisting of large crystals in a fine-grained matrix ¹
¹ Source: wiktionary.com
Definition of Porphyry
1. an igneous rock [n -RIES]
Lexicographical Neighbors of Porphyry
Literary usage of Porphyry
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"porphyry at first disputed the doctrine taught him, in a treatise in support of
the position "that the things perceived by the mind exist out of the mind,* ..."
2. A History of Greek Mathematics by Thomas Little Heath (1921)
"This we gather from Proclus, who quotes from porphyry comments on Eucl. I.
14 and 26 and alternative proofs of I. 18, 20. It is possible that porphyry's ..."
3. The New Schaff-Herzog Encyclopedia of Religious Knowledge: Embracing by Johann Jakob Herzog, Philip Schaff, Albert Hauck (1911)
"porphyry adds that "the times of these men [ie, evidently of ... porphyry further
declares that his authority made "a complete collection of ancient history ..."
4. The Neo-Platonists: A Study in the History of Hellenism by Thomas Whittaker (1901)
"BOTH for his own and for succeeding times, the name of porphyry stands out ...
He then proceeds to give credit for this to the interpretations of porphyry. ..."
5. Cyclopaedia of Biblical, Theological, and Ecclesiastical Literature by John McClintock, James Strong (1883)
"porphyry was born AD 233. Eunapius and Suidas (following, no doubt, porphyry
himself, Vit, Plot, viii, 107) in their biographies call him a Tyrian; ..."
6. Transactions of the American Institute of Mining, Metallurgical and (1913)
"granite were explained in this way; and this hypothesis was abandoned only when
well-defined dikes of granite-porphyry were found in the ..."
7. Report on the Geology, Mineralogy, Botany, and Zoology of Massachusetts by Massachusetts Geological Survey, Edward Hitchcock (1835)
"porphyry. Since porphyry passes into other rocks, we ought to recollect a remark
of Macculloch, that ' the term porphyry, when used in geological ..."
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