| BACKGROUNDERS | • backgrounders n. Plural of backgrounder. • BACKGROUNDER n. an off the record briefing for reporters. |
| BREAKTHROUGHS | • breakthroughs n. Plural of breakthrough. • BREAKTHROUGH n. an offensive thrust that penetrates and carries beyond a defensive line in warfare. |
| COUNTERBORING | • counterboring v. Present participle of counterbore. • counterboring n. A counterbore. (cylindrical recess) • COUNTERBORE v. to form a counterbore in. |
| DAUGHTERBOARD | • daughterboard n. (Computing, electronics) A circuit board that is an extension of a motherboard or other card. • DAUGHTERBOARD n. a small circuit board that can be attached to the motherboard of a computer. |
| GROUNDBREAKER | • groundbreaker n. First person to do, make or fight for something. A pioneer; a seminal person. • GROUNDBREAKER n. one that innovates. |
| GUBERNATORIAL | • gubernatorial adj. Of or pertaining to a governor. • GUBERNATORIAL adj. belonging to a governor (esp. the Governor of an American state) or the office of governor. |
| INTERBOROUGHS | Sorry, definition not available. |
| NEIGHBOURLIER | • NEIGHBOURLY adj. like a neighbour, also NEIGHBORLY. |
| OVERBURDENING | • overburdening v. Present participle of overburden. • OVERBURDEN v. to overload, also OVERBURTHEN. |
| OVERLABOURING | • overlabouring v. Present participle of overlabour. • OVERLABOUR v. (archaic) to labour excessively, also OVERLABOR. |
| PROTUBERATING | • protuberating v. Present participle of protuberate. • PROTUBERATE v. to bulge out. |
| THOROUGHBRACE | • thoroughbrace n. (Dated) A leather strap supporting the body of a carriage, and attached to springs or serving as a spring itself. • THOROUGHBRACE n. any of several leather straps supporting the body of a carriage and serving as springs. |
| THOROUGHBREDS | • thoroughbreds n. Plural of thoroughbred. • Thoroughbreds n. Plural of Thoroughbred. • THOROUGHBRED n. a horse so bred. |
| TURBOCHARGERS | • turbochargers n. Plural of turbocharger. • TURBOCHARGER n. a centrifugal blower driven by exhaust gas turbines and used to supercharge an engine. |