| BREAKTHROUGH | • breakthrough adj. Characterized by major progress or overcoming some obstacle. • breakthrough adj. (Immunology) Involving the contraction of a disease by a person with a decreased susceptibility, such… • breakthrough adj. (Medicine) The emergence or one or more symptoms of a condition despite medication or other medical treatment. |
| EARTHSHAKERS | • earthshakers n. Plural of earthshaker. • EARTHSHAKER n. an event of great importance. |
| HALTERBREAKS | • halterbreaks v. Third-person singular simple present indicative form of halterbreak. • HALTERBREAK v. to break (as a colt) to a halter. |
| HALTERBROKEN | • halterbroken v. Past participle of halterbreak. • HALTERBREAK v. to break (as a colt) to a halter. |
| HEARTBREAKER | • heartbreaker n. Someone, usually attractive, who flirts with or otherwise enamours a person, but does not reciprocate their love. • heartbreaker n. Something that causes sorrow, grief or extreme disappointment. • heartbreaker n. (Sports) A match which ends in defeat for a promising player or team. |
| HETEROKARYON | • heterokaryon n. (Biology) A cell having two or more genetically different nuclei. • HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei. |
| HYPERMARKETS | • hypermarkets n. Plural of hypermarket. • HYPERMARKET n. a very large self-service store, also HYPERMART. |
| KATHAROMETER | • katharometer n. (Sciences) A device used for analyzing gas mixtures by measuring their thermal conductivity. • KATHAROMETER n. an instrument measuring changes in composition of gases. |
| KERATOPHYRES | • keratophyres n. Plural of keratophyre. • KERATOPHYRE n. a fine-grained soda trachyte. |
| LEATHERWORKS | • leatherworks n. A factory that manufactures leatherwork. • LEATHERWORK n. work in leather. |
| RATHSKELLERS | • rathskellers n. Plural of rathskeller. • RATHSKELLER n. (German) a usually basement tavern or restaurant. |
| STRETCHMARKS | • stretchmarks n. Plural of stretchmark. • stretch␣marks n. Plural of stretch mark. • STRETCHMARKS n. marks left by pregnancy. |
| THREADMAKERS | • threadmakers n. Plural of threadmaker. • THREADMAKER n. one who makes thread. |
| WORKWATCHERS | • WORKWATCHER n. in horse-racing, a tout. |