| BREECHLOADERS | • breechloaders n. Plural of breechloader. • breech-loaders n. Plural of breech-loader. • BREECHLOADER n. a firearm that loads at the breech. |
| CARBOHYDRASES | • carbohydrases n. Plural of carbohydrase. • CARBOHYDRASE n. any of a group of enzymes (as amylase) that promote hydrolysis or synthesis of a carbohydrate (as a disaccharide). |
| CARBOHYDRATES | • carbohydrates n. Plural of carbohydrate. • CARBOHYDRATE n. a compound of carbon, hydrogen and oxygen; extended to similar compounds, the sugars and starches which form the main source of energy in food. |
| CHECKERBOARDS | • checkerboards n. Plural of checkerboard. • CHECKERBOARD n. a board used in various games (as checkers) with usually 64 squares in 2 alternating colors. |
| CHEQUERBOARDS | • chequerboards n. Plural of chequerboard. • CHEQUERBOARD n. a board for playing chequers. |
| DRAUGHTBOARDS | • draughtboards n. Plural of draughtboard. • DRAUGHTBOARD n. a board for the playing of draughts. |
| HAIRSBREADTHS | • hairsbreadths n. Plural of hairsbreadth. • hairs'␣breadths n. Plural of hair’s breadth. • HAIRSBREADTH n. the breadth of a hair; a minute distance, also HAIRBREADTH. |
| HARDSCRABBLES | • HARDSCRABBLE n. a great effort made in the face of difficulties. |
| RHABDOMANCERS | • rhabdomancers n. Plural of rhabdomancer. • RHABDOMANCER n. one who practises rhabdomancy. |
| RHABDOSPHERES | • rhabdospheres n. Plural of rhabdosphere. • RHABDOSPHERE n. an aggregation of rhabdoliths in oceanic ooze. |
| RHABDOVIRUSES | • rhabdoviruses n. Plural of rhabdovirus. • RHABDOVIRUS n. a class of virus that includes rabies. |
| SCRATCHBOARDS | • scratchboards n. Plural of scratchboard. • SCRATCHBOARD n. a scraperboard. |
| STRAIGHTBREDS | • straightbreds n. Plural of straightbred. • STRAIGHTBRED n. an animal produced by breeding a single breed, strain, or type. |
| WEATHERBOARDS | • weatherboards n. Plural of weatherboard. • WEATHERBOARD n. a board shaped so as to shed water. |