| BIRDWATCHERS | • birdwatchers n. Plural of birdwatcher. • bird␣watchers n. Plural of bird watcher. • BIRDWATCHER n. one who watches birds as a hobby. |
| CARBOHYDRASE | • carbohydrase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of polysaccharides into simple sugars. • CARBOHYDRASE n. any of a group of enzymes (as amylase) that promote hydrolysis or synthesis of a carbohydrate (as a disaccharide). |
| HABERDASHERS | • haberdashers n. Plural of haberdasher. • HABERDASHER n. a dealer in men's clothing; a dealer in small sewing articles. |
| HABERDASHERY | • haberdashery n. Ribbons, buttons, thread, needles and similar sewing goods sold in a haberdasher’s shop. • haberdashery n. A shop selling such goods. • haberdashery n. A shop selling clothing and accessories for men, including hats. |
| HAIRBREADTHS | • hairbreadths n. Plural of hairbreadth. • HAIRBREADTH n. the breadth of a hair; a minute distance, also HAIRSBREADTH. |
| HAIRSBREADTH | • hairsbreadth n. A very short distance or a very small amount (as is the width of a hair). • hair's␣breadth n. A very small amount or distance. • HAIRSBREADTH n. the breadth of a hair; a minute distance, also HAIRBREADTH. |
| HARBOURSIDES | • harboursides n. Plural of harbourside. • HARBOURSIDE n. the land that is situated next to a harbour, also HARBORSIDE. |
| HARDSCRABBLE | • hardscrabble adj. (Of land) Requiring much work to farm, and ultimately not very productive. • hardscrabble adj. (By extension) Involving hard work and struggle. • hard-scrabble adj. Alternative form of hardscrabble. |
| HYDROCARBONS | • hydrocarbons n. Plural of hydrocarbon. • HYDROCARBON n. a compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal. |
| MOTHERBOARDS | • motherboards n. Plural of motherboard. • MOTHERBOARD n. the board containing the main circuits of an electronic device, especially in computers. |
| RHABDOSPHERE | • rhabdosphere n. A minute sphere composed of rhabdoliths. • RHABDOSPHERE n. an aggregation of rhabdoliths in oceanic ooze. |
| SCRATCHBOARD | • scratchboard n. (Art) A technique in which drawings are created using sharp knives and tools for etching into a thin… • SCRATCHBOARD n. a scraperboard. |
| SHARPBENDERS | • SHARPBENDER n. an organization that has been underperforming its competitors but suddenly becomes more successful. |
| STRAIGHTBRED | • straightbred adj. Produced by breeding from a single breed, variety or species. • straightbred n. Any organism produced by breeding from a single breed, variety, or species. • STRAIGHTBRED n. an animal produced by breeding a single breed, strain, or type. |
| SUBCHARTERED | • SUBCHARTER v. to rent a chartered vehicle. |
| THREADBAREST | • threadbarest adj. Superlative form of threadbare: most threadbare. • THREADBARE adj. having the nap worn off so that the thread shows. |
| UNDERBREATHS | • underbreaths n. Plural of underbreath. • UNDERBREATH n. subdued voice; rumour. |