| DITHYRAMBS | • dithyrambs n. Plural of dithyramb. • DITHYRAMB n. a hymn or poem to honor Bacchus. |
| EUTHYROIDS | • euthyroids n. Plural of euthyroid. • EUTHYROID n. someone with normal thyroid function. |
| GRANOPHYRE | • granophyre n. A subvolcanic rock with angular intergrowths of quartz and alkali feldspar. • GRANOPHYRE n. a kind of quartz-porphyry. |
| LATHYRISMS | • LATHYRISM n. a neurological disease producing paralysis of the legs, apparently caused by eating cultivated vetch. |
| LATHYRITIC | • lathyritic adj. Of or pertaining to lathyrism. • LATHYRITIC adj. of or like lathyrism. |
| LATHYRUSES | • LATHYRUS n. (Greek) any plant of the Lathyrus genus, that includes sweet peas. |
| MELAPHYRES | • melaphyres n. Plural of melaphyre. • MELAPHYRE n. any one of several dark-colored augitic, eruptive rocks allied to basalt. |
| ORTHOPHYRE | • orthophyre n. (Geology) a porphyritic rock that contains phenocrysts of orthoclase embedded in feldspar. • ORTHOPHYRE n. a fine-grained syenitic rock with orthoclase crystals. |
| 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. |
| THYRATRONS | • thyratrons n. Plural of thyratron. • THYRATRON n. a gas-filled valve with a heated cathode, able to carry very high currents. |
| THYRISTORS | • thyristors n. Plural of thyristor. • THYRISTOR n. a thyratron-like solid-state semiconductor device. |
| THYROXINES | • thyroxines n. Plural of thyroxine. • THYROXINE n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXIN. |
| THYRSOIDAL | • thyrsoidal adj. Alternative form of thyrsoid. • THYRSOIDAL adj. having the form of a thyrsus, also THYRSOID. |