| GASTROPLASTY | • gastroplasty n. (Surgery) A surgical operation to correct any kind of defect in the stomach. |
| PASTORALISTS | • pastoralists n. Plural of pastoralist. • PASTORALIST n. a proponent of pastoralism. |
| PATROLOGISTS | • patrologists n. Plural of patrologist. • PATROLOGIST n. one who practises patrology, the study of early Christianity. |
| PETROLOGISTS | • petrologists n. Plural of petrologist. • PETROLOGIST n. a student of petrology, the geological study of rocks. |
| PHYTOSTEROLS | • phytosterols n. Plural of phytosterol. • PHYTOSTEROL n. any of various sterols derived from plants. |
| PLASTERSTONE | • plaster-stone n. Gypsum. • PLASTERSTONE n. gypsum. |
| PLASTOMETERS | • plastometers n. Plural of plastometer. • PLASTOMETER n. an instrument for measuring plasticity. |
| POLTERGEISTS | • poltergeists n. Plural of poltergeist. • POLTERGEIST n. (German) a spirit believed to manifest itself by making noises and moving physical objects. |
| POSTILLATORS | • postillators n. Plural of postillator. • POSTILLATOR n. one who postillates, explains by marginal notes. |
| PROTOCOLISTS | • protocolists n. Plural of protocolist. • PROTOCOLIST n. a registrar or clerk. |
| STREPTOLYSIN | • streptolysin n. Any of various exotoxins that destroy red blood cells by breaking their membranes, and are produced… • STREPTOLYSIN n. an antigenic hemolysin produced by streptococci. |
| STREPTOSOLEN | • STREPTOSOLEN n. an evergreen solanaceous flowering shrub of the genus Streptosolen, with panicles of tubular orange flowers. |
| TETRAPOLISES | • TETRAPOLIS n. a group of four cities. |
| TRANSPORTALS | • TRANSPORTAL n. the act of transporting. |
| TROPHOBLASTS | • trophoblasts n. Plural of trophoblast. • TROPHOBLAST n. the outermost layer of cells in the morula that attaches the fertilized ovum to the uterine wall and acts as a nutritive pathway. |