| AUTOANTIBODY | • autoantibody n. An antibody formed in response to an agent (autoantigen) produced by the organism itself. • AUTOANTIBODY n. an antibody produced in reaction to an antigenic constituent of the body's own tissues. |
| AUTOMOBILING | • automobiling v. Present participle of automobile. • AUTOMOBILE v. to travel by car. |
| BIOTURBATION | • bioturbation n. (Geology) the mixing of soil or sediment by living organisms. • BIOTURBATION n. the restructuring of sedimentary deposits (as in a lake bottom or seabed) by moving organisms (as worms and burrowing clams). |
| CONURBATIONS | • conurbations n. Plural of conurbation. • CONURBATION n. an aggregation or continuous network of urban communities. |
| NEUROFIBROMA | • neurofibroma n. (Medicine) A benign tumor composed of fibroblasts surrounding nerve cells. • NEUROFIBROMA n. a tumour of the nervous fibre. |
| NONAMBIGUOUS | • nonambiguous adj. Not ambiguous. • NONAMBIGUOUS adj. not ambiguous. |
| OBFUSCATIONS | • obfuscations n. Plural of obfuscation. • OBFUSCATION n. the act of obfuscating. |
| OBJURGATIONS | • objurgations n. Plural of objurgation. • OBJURGATION n. a rebuke, a scolding. |
| OBLIQUATIONS | • OBLIQUATION n. (obsolete) obliqueness. |
| OBNUBILATION | • obnubilation n. The action of darkening or fact of being darkened, as with a cloud; obscuration. • obnubilation n. (Medicine, specifically) Obscuration or clouding of the mind or faculties. • obnubilation n. (Rare, literally) A veiling with or concealment in clouds. |
| OBSCURATIONS | • obscurations n. Plural of obscuration. • OBSCURATION n. the act of obscuring. |
| OBUMBRATIONS | • obumbrations n. Plural of obumbration. • OBUMBRATION n. the act of obumbrating. |
| SUBORDINATOR | • subordinator n. (Grammar) Any of a lexical class of words that join clauses at a subordinate syntactic level. • subordinator n. One who subordinates, or reduces the status of, another person. • SUBORDINATOR n. one that subordinates. |
| SUBORNATIONS | • subornations n. Plural of subornation. • SUBORNATION n. the act of suborning. |
| SUBROGATIONS | • subrogations n. Plural of subrogation. • SUBROGATION n. the act of subrogating, also SURROGATION. |
| URBANOLOGIES | • urbanologies n. Plural of urbanology. • URBANOLOGY n. the study of cities. |
| URBANOLOGIST | • urbanologist n. A sociologist who studies the problems of living in cities and towns. • URBANOLOGIST n. one who studies towns. |