| COLOTOMIES | • colotomies n. Plural of colotomy. • COLOTOMY n. a surgical incision of the colon. |
| HOMOTONIES | • homotonies n. Plural of homotony. • HOMOTONY n. harmony of tone. |
| LOBOTOMIES | • lobotomies n. Plural of lobotomy. • LOBOTOMY n. a type of surgical operation. |
| LOBOTOMISE | • lobotomise v. Alternative form of lobotomize. • LOBOTOMISE v. to carry out a lobotomy, also LOBOTOMIZE. |
| MONOTONIES | • monotonies n. Plural of monotony. • MONOTONY n. tedious sameness. |
| MONOTONISE | • MONOTONISE v. to make into a monotone, also MONOTONIZE. |
| OBSOLETION | • obsoletion n. Obsolescence. • OBSOLETION n. obsolescence. |
| OECOLOGIST | • œcologist n. Obsolete form of ecologist. • OECOLOGIST n. a student of oecology, also ECOLOGIST. |
| OENOLOGIST | • oenologist n. An expert in the science of oenology. • œnologist n. Obsolete form of oenologist. • OENOLOGIST n. one versed in oenology, a student of wine. |
| ONCOTOMIES | • oncotomies n. Plural of oncotomy. • ONCOTOMY n. incision into a tumour. |
| ONTOLOGIES | • ontologies n. Plural of ontology. • ONTOLOGY n. the branch of philosophy the deals with being. |
| OPTOLOGIES | • OPTOLOGY n. the study of sight. |
| OREOLOGIST | • oreologist n. (Obsolete) Alternative form of orologist. • OREOLOGIST n. one versed in oreology, the study of mountains, also OROLOGIST. |
| OTOSCOPIES | • otoscopies n. Plural of otoscopy. • OTOSCOPY n. the examination of the ear by otoscope. |
| SPOROZOITE | • sporozoite n. (Cytology) Any of the minute active bodies into which a sporozoan divides just before it infects a new host cell. • SPOROZOITE n. a minute, mobile, preadult spore developed by sporozoans. |
| TOCOLOGIES | • TOCOLOGY n. a branch of medicine dealing with childbirth, also TOKOLOGY. |
| TOKOLOGIES | • TOKOLOGY n. a branch of medicine dealing with childbirth, also TOCOLOGY. |
| TOPOLOGIES | • topologies n. Plural of topology. • TOPOLOGY n. the branch of mathematics that deals with those properties of figures and surfaces which are independent of size and shape. |