| COMPULSORY | • compulsory adj. Required; obligatory; mandatory. • compulsory adj. Having the power of compulsion; constraining. • compulsory n. Something that is compulsory or required. |
| DYSPROSIUM | • dysprosium n. A metallic chemical element (symbol Dy) with atomic number 66: a rare earth element with a metallic silver lustre. • DYSPROSIUM n. a rare-earth metal used in nuclear research. |
| FRUMPISHLY | • frumpishly adv. In a frumpish manner. • FRUMPISH adv. somewhat like a frump. |
| GRUMPISHLY | • GRUMPISH adv. grumpy. |
| HYPERICUMS | • hypericums n. Plural of hypericum. • HYPERICUM n. a herbaceous plant or shrub. |
| PARAMYLUMS | • PARAMYLUM n. a substance resembling starch, found in the green frothy scum formed on the surface of stagnant water. |
| PARONYMOUS | • paronymous adj. (Semantics) Having the same root or derivation; conjugate. • paronymous adj. (Semantics) Having a similar sound, but different orthography and different meaning. • PARONYMOUS adj. having the nature of a paronym. |
| PERIMYSIUM | • perimysium n. (Anatomy) A layer of connective tissue which surrounds several muscle fibers into bundles. • PERIMYSIUM n. the connective tissue which surrounds and binds together muscle fibres. |
| POLYMEROUS | • polymerous adj. (Biology) Having many parts or members in each set. • polymerous adj. (Chemistry) Polymeric. • POLYMEROUS adj. consisting of many parts or segments. |
| PRESUMABLY | • presumably adv. Able to be sensibly presumed. • PRESUMABLE adv. to be presumed. |
| PRESUMEDLY | • presumedly adv. (Rare) In a way that is presumed; expectedly; presumably. • PRESUMED adv. PRESUME, to take for granted. |
| PTERYGIUMS | • pterygiums n. Plural of pterygium. • PTERYGIUM n. a growth over the cornea. |
| PUROMYCINS | • puromycins n. Plural of puromycin. • PUROMYCIN n. a type of antibiotic. |
| PYRETHRUMS | • pyrethrums n. Plural of pyrethrum. • PYRETHRUM n. a name still applied to various garden flowers, esp. varieties of Chrysanthemum. |
| UROPYGIUMS | • UROPYGIUM n. the rump of a bird which supports the tail feathers. |