| PORPHYRY | • porphyry n. (Geology) a hard igneous rock consisting of large crystals in a fine-grained matrix. • Porphyry prop.n. A Tyrian Neoplatonic philosopher. • PORPHYRY n. (Greek) a very hard, variegated rock of a purple and white colour, used in sculpture. |
| PORPHYRIA | • porphyria n. (Pathology) Any of several usually hereditary abnormalities of porphyrin metabolism characterized by… • PORPHYRIA n. any of various disorders of metabolism resulting in the excretion of an excessive quantity of porphyrins in the urine. |
| PORPHYRIC | • porphyric adj. Pertaining to porphyry. • porphyric adj. Pertaining to porphyria. • PORPHYRIC adj. relating to porphyria. |
| PORPHYRIN | • porphyrin n. (Organic chemistry) Any of a class of heterocyclic compounds containing pyrrole rings arranged in a… • PORPHYRIN n. any of a large group of red or purple crystalline pigments present in plant and animal tissues. |
| PORPHYRIO | • porphyrio n. A swamphen. • Porphyrio prop.n. A taxonomic genus within the family Rallidae – swamp hen. • PORPHYRIO n. any bird of the purple-coot genus Porphyrio. |
| PORPHYRIAS | • porphyrias n. Plural of porphyria. • PORPHYRIA n. any of various disorders of metabolism resulting in the excretion of an excessive quantity of porphyrins in the urine. |
| PORPHYRIES | • porphyries n. Plural of porphyry. • PORPHYRY n. (Greek) a very hard, variegated rock of a purple and white colour, used in sculpture. |
| PORPHYRINS | • porphyrins n. Plural of porphyrin. • PORPHYRIN n. any of a large group of red or purple crystalline pigments present in plant and animal tissues. |
| PORPHYRIOS | • porphyrios n. Plural of porphyrio. • PORPHYRIO n. any bird of the purple-coot genus Porphyrio. |
| PORPHYRITE | • porphyrite n. A rock with a porphyritic structure. • PORPHYRITE n. a rock with a porphyritic structure; as, augite porphyrite. |
| PORPHYROID | • porphyroid n. (Mineralogy) A crystalline and schistose rock containing porphyritic crystals of feldspar. • PORPHYROID n. a metamorphic rock having a texture characterized by large crystals set in a finer groundmass. |
| PORPHYROUS | • porphyrous adj. Of or crafted from porphyry. • porphyrous adj. Of purple hue, like that of porphyry. • PORPHYROUS adj. purple. |
| PORPHYRITES | • porphyrites n. Plural of porphyrite. • PORPHYRITE n. a rock with a porphyritic structure; as, augite porphyrite. |
| PORPHYRITIC | • porphyritic adj. Of or pertaining to porphyry. • porphyritic adj. (Geology) Containing large crystals in a fine mass of material. • PORPHYRITIC adj. designating an igneous rock in which large crystals (phenocrysts) are set in a matrix of relatively finer-grained crystals or of glass. |
| PORPHYROIDS | • porphyroids n. Plural of porphyroid. • PORPHYROID n. a metamorphic rock having a texture characterized by large crystals set in a finer groundmass. |
| PORPHYROPSIN | • porphyropsin n. Any of a group of purple carotenoid pigments, similar to rhodopsin, in the retinas of some fish. • PORPHYROPSIN n. a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin. |
| PORPHYROPSINS | • porphyropsins n. Plural of porphyropsin. • PORPHYROPSIN n. a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin. |
| PORPHYROGENITE | • porphyrogenite n. (Historical) an honorific title given to a son of a reigning emperor in the Byzantine Empire, notably… • PORPHYROGENITE n. a Byzantine emperor's son, born in the purple. |
| PORPHYROGENITES | • porphyrogenites n. Plural of porphyrogenite. • PORPHYROGENITE n. a Byzantine emperor's son, born in the purple. |