| HOMOEOMORPHIES | • HOMOEOMORPHY n. the state of being homoeomorphy. |
| HOMOEOMORPHISM | • homoeomorphism n. (British spelling, topology) Alternative spelling of homeomorphism. • homœomorphism n. Obsolete typography of homoeomorphism. • HOMOEOMORPHISM n. the state of being homoeomorphic. |
| ONOMATOPOIESES | • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| ONOMATOPOIESIS | • onomatopoiesis n. Onomatopoeia. • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| OOPHORECTOMIES | • oophorectomies n. Plural of oophorectomy. • oöphorectomies n. Plural of oöphorectomy. • OOPHORECTOMY n. the operation of removing one or both of the ovaries, aka ovariotomy. |
| OOPHORECTOMISE | • oophorectomise v. Alternative form of oophorectomize. • OOPHORECTOMISE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMIZE. |
| OPISTHOCOELOUS | • opisthocoelous adj. Concave behind; applied especially to vertebrae in which the anterior end of the centrum is convex and… • OPISTHOCOELOUS adj. hollow or concave behind, as e.g. a vertebra is, also OPISTHOCOELIAN. |
| OPISTHOTONOSES | • OPISTHOTONOS n. extreme arching backwards of the spine and neck as a result of spasm of the muscles in that region, etc. |
| PALEOZOOLOGIES | • PALEOZOOLOGY n. the study of fossil animals, also PALAEOZOOLOGY. |
| PALEOZOOLOGIST | • paleozoologist n. Any zoologist whose speciality is paleozoology. • PALEOZOOLOGIST n. one who studies paleozoology. |
| PHOTOBIOLOGIES | • PHOTOBIOLOGY n. the study of the effects of light on organisms. |
| PHOTOGEOLOGIES | • PHOTOGEOLOGY n. a branch of geology concerned with the identification and study of geological features through the study of aerial or orbital photographs. |
| PHOTOGEOLOGIST | • photogeologist n. One who carries out photogeology. • PHOTOGEOLOGIST n. one who studies photogeology. |
| PROTOZOOLOGIES | • PROTOZOOLOGY n. the study of protozoans. |
| ZOOPATHOLOGIES | • ZOOPATHOLOGY n. the study of animal diseases. |
| ZOOPHYTOLOGIES | • ZOOPHYTOLOGY n. the study of zoophytes, plantlike animals. |