| PLASTERSTONES | • PLASTERSTONE n. gypsum. |
| PLENTEOUSNESS | • plenteousness n. An abundant supply; abundance. • PLENTEOUSNESS n. the state of being plenteous. |
| POINTLESSNESS | • pointlessness n. (Countable) The lack of meaning, purpose, or ideas; the characteristic or condition of being pointless. • pointlessness n. (Topology, geometry, uncountable) The quality of not mentioning points. • POINTLESS n. with no point, futile. |
| POLYSYNTHESES | • polysyntheses n. Plural of polysynthesis. • POLYSYNTHESIS n. the state of being polysynthetic. |
| POLYSYNTHESIS | • polysynthesis n. The act or process of combining many separate elements into a whole. • polysynthesis n. (Linguistics) The formation of a word by the combination of several simple words; agglutination. • POLYSYNTHESIS n. the state of being polysynthetic. |
| POTABLENESSES | • POTABLENESS n. the state of being potable. |
| PROLATENESSES | • PROLATENESS n. the state of being prolate. |
| SIPHONOSTELES | • siphonosteles n. Plural of siphonostele. • SIPHONOSTELE n. the cylinder of conducting tissue surrounding a central core of pith in certain stems. |
| SPLENISATIONS | • SPLENISATION n. conversion (e.g. of the lung) into a spongy, spleen-like substance, also SPLENIZATION. |
| SPONDYLITISES | • SPONDYLITIS n. inflammation of the vertebra. |
| SPONGIOBLASTS | • spongioblasts n. Plural of spongioblast. • SPONGIOBLAST n. any of numerous columnar epithelial cells in the brain and spinal cord that develop into neuroglia. |
| SPONGOLOGISTS | • spongologists n. Plural of spongologist. • SPONGOLOGIST n. one who studies sponges. |
| STREPTOLYSINS | • streptolysins n. Plural of streptolysin. • STREPTOLYSIN n. an antigenic hemolysin produced by streptococci. |
| STREPTOSOLENS | • STREPTOSOLEN n. an evergreen solanaceous flowering shrub of the genus Streptosolen, with panicles of tubular orange flowers. |
| TOPLESSNESSES | • TOPLESSNESS n. the state of being topless. |