| 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). |
| BOUTONNIERES | • boutonnieres n. Plural of boutonniere. • boutonnières n. Plural of boutonnière. • BOUTONNIERE n. (French) a flower for the buttonhole, etc. |
| CONTRIBUTION | • contribution n. Something given or offered that adds to a larger whole. • contribution n. An amount of money given toward something. • contribution n. The act of contributing. |
| CONTRIBUTORS | • contributors n. Plural of contributor. • CONTRIBUTOR n. one who contributes. |
| CONTRIBUTORY | • contributory adj. Of, pertaining to, or involving a contribution. • contributory adj. Tending to contribute to a result. • contributory adj. (Obsolete) Paying tribute, tributary. |
| CONURBATIONS | • conurbations n. Plural of conurbation. • CONURBATION n. an aggregation or continuous network of urban communities. |
| INTERBOROUGH | • interborough adj. Between boroughs. • INTERBOROUGH adj. between boroughs. |
| OBJURGATIONS | • objurgations n. Plural of objurgation. • OBJURGATION n. a rebuke, a scolding. |
| OBSCURATIONS | • obscurations n. Plural of obscuration. • OBSCURATION n. the act of obscuring. |
| OBSTRUCTIONS | • obstructions n. Plural of obstruction. • OBSTRUCTION n. the state of being obstructed. |
| OBUMBRATIONS | • obumbrations n. Plural of obumbration. • OBUMBRATION n. the act of obumbrating. |
| OUTTHROBBING | • outthrobbing v. Present participle of outthrob. • OUTTHROB v. to surpass in throbbing. |
| 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. |
| TOURBILLIONS | • tourbillions n. Plural of tourbillion. • TOURBILLION n. (French) a whirlwind; any whirling object, also TOURBILLON. |
| URBANOLOGIST | • urbanologist n. A sociologist who studies the problems of living in cities and towns. • URBANOLOGIST n. one who studies towns. |