| HEMATOPORPHYRIN | • hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins. |
| 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. |
| 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. |
| PORPHYRIC | • porphyric adj. Pertaining to porphyry. • porphyric adj. Pertaining to porphyria. • PORPHYRIC adj. relating to porphyria. |
| PORPHYRIES | • porphyries n. Plural of porphyry. • PORPHYRY n. (Greek) a very hard, variegated rock of a purple and white colour, used in sculpture. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| PROTOPORPHYRIN | • protoporphyrin n. (Biochemistry) Any porphyrin that lacks a central metal ion. • PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin. |
| PROTOPORPHYRINS | • protoporphyrins n. Plural of protoporphyrin. • PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin. |
| RHOMBPORPHYRIES | • RHOMBPORPHYRY n. an intermediate, moderately fine-grained igneous rock with feldspar inclusions, also RHOMBENPORPHYR, RHOMBENPORPHYRY. |