| hyperkalemia | (noun) higher than normal levels of potassium in the circulating blood; associated with kidney failure or sometimes with the use of diuretic drugs | - |
|---|
| paperknife | (noun) dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books | Synonyms: letter opener, paper knife |
|---|
| perk | (noun) an incidental benefit awarded for certain types of employment (especially if it is regarded as a right) | Synonyms: fringe benefit, perquisite |
|---|
| perkiness | (noun) inappropriate playfulness | Synonyms: archness, impertinence, pertness, sauciness |
|---|
| (noun) cheerfulness that bubbles to the surface | Synonyms: buoyancy |
| schipperke | (noun) breed of small stocky black dogs originally used as watchdogs on boats in the Netherlands and Belgium | - |
|---|