| HOMOEOMORPHY | • homœomorphy n. Obsolete form of homoeomorphy. • HOMOEOMORPHY n. the state of being homoeomorphy. |
| HOMOPOLYMERS | • homopolymers n. Plural of homopolymer. • HOMOPOLYMER n. a DNA or RNA strand whose nucleotides are all of the same kind. |
| OOPHORECTOMY | • oophorectomy n. (Medicine) Surgical removal of one or both ovaries. • oöphorectomy n. Alternative spelling of oophorectomy. • OOPHORECTOMY n. the operation of removing one or both of the ovaries, aka ovariotomy. |
| PALEOBIOLOGY | • paleobiology n. The branch of biology or paleontology concerned with the study of fossils of plants and animals. • PALEOBIOLOGY n. a branch of paleontology concerned with the biology of fossil organisms, also PALAEBIOLOGY, PALAEOBIOLOGY. |
| PALEOECOLOGY | • paleoecology n. The ecology of the ancient past and of extinct organisms. • PALEOECOLOGY n. a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals. |
| PALEONTOLOGY | • paleontology n. (American spelling) Study of the forms of life existing in prehistoric or geologic times, especially… • PALEONTOLOGY n. the study of fossils, also PALAEONTOLOGY. |
| PALEOZOOLOGY | • paleozoology n. (Zoology) The branch of zoology dealing with fossils, and the creatures that were transformed into them. • PALEOZOOLOGY n. the study of fossil animals, also PALAEOZOOLOGY. |
| PAROEMIOLOGY | • paroemiology n. Alternative form of paremiology. • PAROEMIOLOGY n. the study of proverbs. |
| PHOTOGEOLOGY | • photogeology n. The use of aerial photography to interpret geologic features. • PHOTOGEOLOGY n. a branch of geology concerned with the identification and study of geological features through the study of aerial or orbital photographs. |
| PHOTOPOLYMER | • photopolymer n. (Chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillings. • PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates. |
| PHYTOHORMONE | • phytohormone n. A plant hormone. • PHYTOHORMONE n. a plant hormone, regulating growth. |
| PNEUMONOLOGY | • pneumonology n. Alternative form of pneumology. • PNEUMONOLOGY n. the study of the respiratory system. |
| POLYRIBOSOME | • polyribosome n. (Biochemistry) A cluster of ribosomes, connected by mRNA, that collectively synthesizes protein. • POLYRIBOSOME n. a cluster of ribosomes linked together by a molecule of messenger RNA and forming the site of protein synthesis. |
| ZOOGEOGRAPHY | • zoogeography n. The scientific study of the geographical distribution of animal species. • zoögeography n. (Zoology) Alternative spelling of zoogeography. • ZOOGEOGRAPHY n. the study of the geographic distribution of animals. |