We found 31 dictionaries that define the word porphyry:

General (22 matching dictionaries)

1. porphyry: Merriam-Webster
2. Porphyry, porphyry: Oxford Learner's Dictionaries
3. porphyry: American Heritage Dictionary of the English Language
4. porphyry: Collins English Dictionary
5. porphyry: Vocabulary.com
6. Porphyry, porphyry: Wordnik
7. porphyry: Wiktionary
8. porphyry: Webster's New World College Dictionary, 4th Ed.
9. porphyry: The Wordsmyth English Dictionary-Thesaurus
10. porphyry: Infoplease Dictionary
11. porphyry: Dictionary.com
12. porphyry: Online Etymology Dictionary
13. Porphyry (disambiguation), Porphyry (geology), Porphyry (philosopher), Porphyry: Wikipedia, the Free Encyclopedia
14. Porphyry: Online Plain Text English Dictionary
15. porphyry: Webster's Revised Unabridged, 1913 Edition
16. porphyry: Rhymezone
17. Porphyry: AllWords.com Multi-Lingual Dictionary
18. porphyry: Webster's 1828 Dictionary
19. porphyry: FreeDictionary.org
20. porphyry: The Phrontistery - A Dictionary of Obscure Words
21. porphyry: Mnemonic Dictionary
22. porphyry: TheFreeDictionary.com

Art (2 matching dictionaries)

23. porphyry: ArtLex Lexicon of Visual Art Terminology
24. Porphyry: Dictionary of Philosophical Terms and Names

Business (1 matching dictionary)

25. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

26. Porphyry (geology), porphyry: Encyclopedia

Medicine (1 matching dictionary)

27. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

28. Porphyry: Stanford Encyclopedia of Philosophy

Religion (1 matching dictionary)

29. Irivng Hexham's Concise Dictionary of Religion (No longer online)

Science (2 matching dictionaries)

30. Archaeology Wordsmith (No longer online)
31. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

(Note: See porphyries as well.)

Definitions from Wiktionary (Porphyry) ▸ noun:  (geology) A hard igneous rock consisting of large crystals in a fine-grained matrix. ▸ noun:  A purple-red rock of this kind. ▸ noun:  A Tyrian Neoplatonic philosopher. Similar: porphyritic rock, porphyre, porphyrite, porphyroid, porphyroblast, orthophyre, feldsparphyre, keratophyre, porphyrogene, microphenocryst, more... Opposite: eucryphyte Types: diorite, gabbro, basalt, andesite, rhyolite, obsidian, pumice, more... Phrases: porphyry copper, quartz porphyry, granite porphyry, porphyry shell, Porphyry copper deposit, more... Adjectives: red, quartz, green, syenite, black, feldspar, granodiorite, rhyolite, dark, granite, white Colors:     purple,     lavender,     mauve,     plum,     lilac, more... ▸ Word origin ▸ Words similar to porphyry ▸ Usage examples for porphyry ▸ Idioms related to porphyry ▸ Wikipedia articles (New!) ▸ Popular adjectives describing porphyry ▸ Words that often appear near porphyry ▸ Rhymes of porphyry ▸ Invented words related to porphyry