| AEROBRAKINGS | • AEROBRAKING n. using a planet's atmosphere to reduce the speed of a spacecraft. |
| BACKCROSSING | • backcrossing n. (Genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent. • backcrossing v. Present participle of backcross. • BACKCROSS v. to create a cross between a hybrid and a parent. |
| BACKSPEERING | • BACKSPEER v. (Scots) to cross-question, also BACKSPEIR. |
| BACKSPEIRING | • BACKSPEIR v. (Scots) to cross-question, also BACKSPEER. |
| BACKSTARTING | • BACKSTARTING n. a marketing technique in publishing, whereby new customers are sent back issues of magazines or journals as part of their subscription. |
| BACKSTRAIGHT | • backstraight n. Alternative form of back straight (“backstretch”). • back␣straight n. (Athletics, horse racing) The straight part of a racetrack, running track, etc., opposite the finishing… |
| BACKSTROKING | • backstroking v. Present participle of backstroke. • BACKSTROKE v. to swim on the back. |
| BAREBACKINGS | • BAREBACKING n. the act of practising unprotected sex. |
| BREAKFASTING | • breakfasting v. Present participle of breakfast. • breakfasting n. The act of eating breakfast. • BREAKFAST v. to take breakfast. |
| BRICKLAYINGS | • bricklayings n. Plural of bricklaying. • BRICKLAYING n. the job of laying bricks. |
| BRICKMAKINGS | • BRICKMAKING n. the making of bricks. |
| DISEMBARKING | • disembarking v. Present participle of disembark. • disembarking n. A disembarkation. • DISEMBARK v. to leave a ship, to land. |
| GREENBACKISM | • greenbackism n. A movement advocating for the inflation of the US currency. • GREENBACKISM n. the advocation of a paper currency backed only by the United States government. |
| KEYBOARDINGS | • keyboardings n. Plural of keyboarding. • KEYBOARDING n. the process of entering data on a keyboard. |
| LAWBREAKINGS | • lawbreakings n. Plural of lawbreaking. • LAWBREAKING n. the act of breaking the law. |
| PAWNBROKINGS | • PAWNBROKING n. the activity of a pawnbroker. |
| SCRAPBOOKING | • scrapbooking n. The process of making a scrapbook. • scrapbooking v. Present participle of scrapbook. • SCRAPBOOKING n. the practice of keeping cuttings. |
| SHOPBREAKING | • shopbreaking n. The act of breaking into a shop with unlawful intent. • SHOPBREAKING n. the act of breaking into a shop. |
| SKIMBOARDING | • skimboarding n. A form of surfing in shallow water near a beach. • SKIMBOARD v. to use a skimboard. |
| STRINGYBARKS | • stringybarks n. Plural of stringybark. • STRINGYBARK n. an Australian tree, a kind of eucalyptus. |