| ALLOIOSTROPHOS | • ALLOIOSTROPHOS adj. irregularly divided, not in alternate strophe and antistrophe. |
| NONCOOPERATION | • noncooperation n. The active absence of cooperation. • non-cooperation n. Alternative spelling of noncooperation. • NONCOOPERATION n. failure or refusal to cooperate. |
| NONCOOPERATORS | • noncooperators n. Plural of noncooperator. • NONCOOPERATOR n. one who does not cooperate. |
| 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. |
| OOPHORECTOMIZE | • oophorectomize v. (Surgery) To perform, or to undergo an oophorectomy. • OOPHORECTOMIZE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMISE. |
| ORTHOPTEROLOGY | • orthopterology n. The scientific study of the Orthoptera. • ORTHOPTEROLOGY n. the study of cockroaches. |
| OVERPROPORTION | • overproportion v. To give something excessive proportions. • overproportion n. Excessive proportion. • OVERPROPORTION v. to make disproportionately large. |
| PERIODONTOLOGY | • periodontology n. (Dentistry) Periodontics. • PERIODONTOLOGY n. the branch of dentistry concerned with periodontal diseases. |
| PHOTOAUTOTROPH | • photoautotroph n. (Biology) an organism, such as all green plants, that can synthesize its own food from inorganic material… • PHOTOAUTOTROPH n. an organism capable of synthesizing its own food from inorganic substances using light as an energy source. |
| PHOTOCOMPOSERS | • photocomposers n. Plural of photocomposer. • PHOTOCOMPOSER n. one who photocomposes. |
| PHOTOCONDUCTOR | • photoconductor n. A material, or a device, that exhibits or utilizes photoconductivity. • PHOTOCONDUCTOR n. a photoconductive substance. |
| POLYPROTODONTS | • polyprotodonts n. Plural of polyprotodont. • POLYPROTODONT n. any member of the Polyprotodontia, the suborder of marsupials, including opossums, dasyures, etc., with many small incisors. |
| PROTOZOOLOGIES | • PROTOZOOLOGY n. the study of protozoans. |
| PROTOZOOLOGIST | • protozoologist n. A zoologist whose speciality is protozoology. • PROTOZOOLOGIST n. one who studies protozoology. |