| DYSPROSIUMS | • DYSPROSIUM n. a rare-earth metal used in nuclear research. |
| GYPSIFEROUS | • gypsiferous adj. Containing gypsum. • GYPSIFEROUS adj. bearing gypsum. |
| HYPOTENUSES | • hypotenuses n. Plural of hypotenuse. • HYPOTENUSE n. the longest side of a right-angled triangle, also HYPOTHENUSE. |
| PELYCOSAURS | • pelycosaurs n. Plural of pelycosaur. • PELYCOSAUR n. a kind of dinosaur. |
| PHYSIOLOGUS | • PHYSIOLOGUS n. a work containing descriptions of animals; a bestiary. |
| POISONOUSLY | • poisonously adv. In a poisonous manner. • poisonously adv. (Obsolete) Using poison. • POISONOUS adv. having the quality or effect of poison. |
| POLYESTROUS | • polyestrous adj. (Biology) Having multiple periods of estrus in a year, or during a breeding season. • POLYESTROUS adj. having more than one period of estrus in a year. |
| PUSSYFOOTED | • pussyfooted v. Simple past tense and past participle of pussyfoot. • PUSSYFOOT v. to tread softly or lightly to avoid being noticed; to act cautiously or noncommittally. |
| PUSSYFOOTER | • pussyfooter n. One who pussyfoots. • PUSSYFOOTER n. one who pussyfoots. |
| PYROLUSITES | • pyrolusites n. Plural of pyrolusite. • PYROLUSITE n. native manganese dioxide, a black or dark-grey tetragonal mineral with a metallic lustre. |
| SUMPTUOSITY | • sumptuosity n. Expensiveness; costliness; sumptuousness. • SUMPTUOSITY n. the quality of being sumptuous. |
| SUMPTUOUSLY | • sumptuously adv. In a sumptuous manner. • SUMPTUOUS adv. luxurious. |
| SUPERALLOYS | • superalloys n. Plural of superalloy. • SUPERALLOY n. an alloy that has good stability at 600 degrees to 1000 degrees C. |
| SUPERVISORY | • supervisory adj. Of, pertaining to, or in the capacity of a supervisor. • SUPERVISORY adj. relating to or having supervision. |
| SUPPOSITORY | • suppository n. (Medicine) A medicine in the form of a small plug that is inserted into a bodily cavity, especially… • SUPPOSITORY n. a solid but readily meltable cone or cylinder of usually medicated material for insertion into a bodily passage or cavity, as the rectum. |
| SYMPETALOUS | • sympetalous adj. (Botany) gamopetalous. • SYMPETALOUS adj. having the petals united. |
| SYMPHONIOUS | • symphonious adj. Of or pertaining to simultaneous sounds that are harmonious together. • SYMPHONIOUS adj. agreeing esp. in sound. |
| SYNSEPALOUS | • synsepalous adj. (Botany) gamosepalous. • SYNSEPALOUS adj. another word for gamosepalous, with sepals partly united. |