| BOUTONNIERES | • boutonnieres n. Plural of boutonniere. • boutonnières n. Plural of boutonnière. • BOUTONNIERE n. (French) a flower for the buttonhole, etc. |
| BRONCOBUSTER | • broncobuster n. (Chiefly US) A person who breaks horses so that they can be ridden with a saddle. • bronco-buster n. Alternative spelling of broncobuster. • bronco␣buster n. Alternative spelling of broncobuster. |
| BUFFOONERIES | • buffooneries n. Plural of buffoonery. • BUFFOONERY n. foolish or playful behavior. |
| BUTTONHOLERS | • buttonholers n. Plural of buttonholer. • BUTTONHOLER n. a person or sewing-machine attachment that makes buttonholes. |
| CARBONACEOUS | • carbonaceous adj. Of, relating to, rich in, or yielding carbon, or a compound of carbon. • CARBONACEOUS adj. coaly; containing much carbon. |
| COUNTERBLOWS | • counterblows n. Plural of counterblow. • COUNTERBLOW n. a blow in return. |
| COUNTERBONDS | • counterbonds n. Plural of counterbond. • COUNTERBOND n. a bond to protect a person who has given bond for another from contingent loss. |
| COUNTERBORED | • counterbored v. Simple past tense and past participle of counterbore. • COUNTERBORE v. to form a counterbore in. |
| COUNTERBORES | • counterbores n. Plural of counterbore. • COUNTERBORE v. to form a counterbore in. |
| INTERBOROUGH | • interborough adj. Between boroughs. • INTERBOROUGH adj. between boroughs. |
| NEUROBIOLOGY | • neurobiology n. (Biology) The scientific study of nerve and brain function in people and animals. • NEUROBIOLOGY n. the study of the anatomy of the nervous system. |
| NEUROFIBROMA | • neurofibroma n. (Medicine) A benign tumor composed of fibroblasts surrounding nerve cells. • NEUROFIBROMA n. a tumour of the nervous fibre. |
| OMBUDSPERSON | • ombudsperson n. A person of any gender who performs the function historically defined by the term ombudsman. |
| OUTREBOUNDED | • outrebounded v. Simple past tense and past participle of outrebound. • OUTREBOUND v. to rebound more than. |
| OVERABOUNDED | • overabounded v. Simple past tense and past participle of overabound. • OVERABOUND v. to be exceedingly plenty. |
| OVERBOUNDING | • overbounding v. Present participle of overbound. • OVERBOUND v. to bound excessively. |
| ROUNDABOUTED | • roundabouted v. Simple past tense and past participle of roundabout. • ROUNDABOUT v. to go round and round. |
| UNFOREBODING | • unforeboding adj. Not foreboding. • UNFOREBODING adj. not foreboding. |
| URBANOLOGIES | • urbanologies n. Plural of urbanology. • URBANOLOGY n. the study of cities. |
| UROBILINOGEN | • urobilinogen n. (Biochemistry) A colourless product of bilirubin reduction, formed in the intestines by bacterial action. • UROBILINOGEN n. any of a group of colourless tetrapyrrole compounds produced by the reduction of bilirubin. |