| ACTINOMORPHY | • actinomorphy n. The condition of being actinomorphic. • ACTINOMORPHY n. the quality of being actinomorphic. | 
| ANTHROPOGENY | • anthropogeny n. The study of human origins, human generation, or the origin and development of man. • ANTHROPOGENY n. the study of human generation or evolution. | 
| ANTHROPOGONY | • anthropogony n. Synonym of anthropogenesis. • ANTHROPOGONY n. the study of the origins of human beings, also ANTHROPOGENESIS. | 
| ANTHROPOLOGY | • anthropology n. The holistic scientific and social study of humanity, mainly using ethnography as its method. • ANTHROPOLOGY n. the science of human beings. | 
| ANTHROPOTOMY | • anthropotomy n. The anatomy or dissection of the human body; androtomy. • ANTHROPOTOMY n. human anatomy. | 
| HYDROPHYTONS | • HYDROPHYTON n. the coenosarc of a hydroid colony. | 
| HYMENOPTERON | • hymenopteron n. Any insect of the order Hymenoptera. • HYMENOPTERON n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERAN. | 
| HYPOPLASTRON | • hypoplastron n. The third lateral plate in the plastron of turtles. • HYPOPLASTRON n. the plate behind the hyoplastron in a turtle's plastron. | 
| MORPHOSYNTAX | • morphosyntax n. (Linguistics) Morphology and syntax regarded as an interlinked unit. • morpho-syntax n. (Linguistics) The system of the internal structure of words (morphology) and the way in which words… • morpho-syntax n. (Linguistics, formal) Grammar. | 
| ODONTOGRAPHY | • odontography n. A scientific description of the teeth. • ODONTOGRAPHY n. a description or history of teeth. | 
| ORNITHOPHILY | • ornithophily n. Pollination by birds. • ORNITHOPHILY n. pollination by birds. | 
| ORNITHOSCOPY | • ornithoscopy n. Birdwatching. • ORNITHOSCOPY n. bird watching. | 
| PHARYNGOTOMY | • pharyngotomy n. (Surgery) The operation of making an incision into the pharynx, to remove a tumour or anything that… • pharyngotomy n. Scarification or incision of the tonsils. • PHARYNGOTOMY n. the surgical removal of the pharynx. | 
| PHYTOHORMONE | • phytohormone n. A plant hormone. • PHYTOHORMONE n. a plant hormone, regulating growth. | 
| PROTHONOTARY | • prothonotary n. (Obsolete, historical) A chief legal clerk or notary in Roman Byzantium, and (hence) in Rome. • prothonotary n. (Roman Catholicism) One of the seven prelates, constituting a college in the Roman Curia, whose office… • prothonotary n. A registrar or chief clerk in various courts of law, especially (US) in a county court, (Australia)… | 
| PYRITOHEDRON | • pyritohedron n. (Mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons. • pyritohedron n. (Mineralogy) The shape of one of the crystal habits of pyrite. • PYRITOHEDRON n. a pentagonal dodecahedron. | 
| PYTHONOMORPH | • pythonomorph n. Any large extinct reptile of the taxon Pythonomorpha. • pythonomorph n. Any member of the taxon Pythonomorpha. • PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs. | 
| THYROTROPHIN | • thyrotrophin n. Alternative form of thyrotropin. • THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN. | 
| THYROTROPINS | • thyrotropins n. Plural of thyrotropin. • THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN. | 
| TRICHOPHYTON | • trichophyton n. Any member of the fungus genus Trichophyton. • Trichophyton prop.n. A taxonomic genus within the family Arthrodermataceae – fungi that are parasitic in the skin and hair… • TRICHOPHYTON n. any fungus of the genus Trichophyton, causing ringworm. |