| DEUTEROPLASMS | • DEUTEROPLASM n. the food material, such as yolk or fat, within an egg or cell. |
| IMPERTURBABLE | • imperturbable adj. Not easily perturbed, upset or excited. • imperturbable adj. Calm and collected, even under pressure. • IMPERTURBABLE adj. marked by extreme calm, impassivity, and steadiness. |
| PERMACULTURES | • permacultures n. Plural of permaculture. • PERMACULTURE n. a system of self-sustaining natural agriculture. |
| PERPETUALISMS | • PERPETUALISM n. a belief in the perpetual continuance of things. |
| PREFORMULATED | • preformulated v. Simple past tense and past participle of preformulate. • PREFORMULATE v. to formulate in advance. |
| PREFORMULATES | • preformulates v. Third-person singular simple present indicative form of preformulate. • PREFORMULATE v. to formulate in advance. |
| PREMENOPAUSAL | • premenopausal adj. (Medicine) Having not yet undergone menopause. • PREMENOPAUSAL adj. preceding the menopause. |
| SOMATOPLEURES | • somatopleures n. Plural of somatopleure. • SOMATOPLEURE n. a cellular sheet in some vertebrates that develops into the internal body wall. |
| SUPERFAMILIES | • superfamilies n. Plural of superfamily. • SUPERFAMILY n. a category of biological classification ranking below an order and above a family. |
| SUPERHUMERALS | • superhumerals n. Plural of superhumeral. • SUPERHUMERAL n. an ecclesiastical garment worn over the shoulders. |
| SUPERREALISMS | • SUPERREALISM n. in art, a style that transcends realism. |
| SUPERSALESMAN | • supersalesman n. (Informal) An exceptionally talented or successful salesman. • SUPERSALESMAN n. an exceptional salesman. |
| SUPERSALESMEN | • supersalesmen n. Plural of supersalesman. • SUPERSALESMAN n. an exceptional salesman. |
| SUPPLEMENTARY | • supplementary adj. Additional; added to supply what is wanted. • supplementary n. Something additional; an extra. • SUPPLEMENTARY adj. added or serving as a supplement. |
| SUPRAMOLECULE | • supramolecule n. (Chemistry) Any organized system of two or more molecules held together by intermolecular forces. • SUPRAMOLECULE n. a cluster of molecules, usually created artificially. |
| UNPERFORMABLE | • unperformable adj. Not performable; that cannot be performed. • UNPERFORMABLE adj. not performable. |
| UPPERCLASSMEN | • upperclassmen n. Plural of upperclassman. • UPPERCLASSMAN n. a member of the junior or senior class in a school or college. |