| EMPLASTRONS | • EMPLASTRON n. a medicated plaster, also EMPLASTRUM. |
| HELMSPERSON | • helmsperson n. (Uncommon) A helmsman or helmswoman. |
| MICROSLEEPS | • microsleeps n. Plural of microsleep. • MICROSLEEP n. a very short sleep. |
| NEUROPLASMS | • neuroplasms n. Plural of neuroplasm. • NEUROPLASM n. the protoplasm of a nerve cell. |
| PERSONALISM | • personalism n. The character of being personal. • personalism n. (Philosophy) A doctrine of subjective idealism that regards personality as the means of interpreting reality. • PERSONALISM n. the doctrine that humans possess spiritual freedom. |
| POLYMERASES | • polymerases n. Plural of polymerase. • POLYMERASE n. an enzyme present in cell nuclei which promotes the polymerization of DNA. |
| POLYMERISES | • polymerises v. Third-person singular simple present indicative form of polymerise. • POLYMERISE v. to make into a polymer, also POLYMERIZE. |
| POLYMERISMS | • polymerisms n. Plural of polymerism. • POLYMERISM n. the state, quality, or relation of two or more polymeric substances. |
| PROBLEMISTS | • problemists n. Plural of problemist. • PROBLEMIST n. one who sets problems. |
| PROMISELESS | • promiseless adj. Without a promise. • PROMISELESS adj. without a promise. |
| PROSELYTISM | • proselytism n. The practice of proselytizing or the state of being a proselyte. • PROSELYTISM n. conversion. |
| PULSOMETERS | • pulsometers n. Plural of pulsometer. • PULSOMETER n. a pump that draws in water by condensation of steam in two chambers alternately. |
| SEMELPAROUS | • semelparous adj. (Biology) reproducing only once in a lifetime. • SEMELPAROUS adj. reproducing or breeding only once in a lifetime, like salmon. |
| SUBPROBLEMS | • subproblems n. Plural of subproblem. • sub-problems n. Plural of sub-problem. • SUBPROBLEM n. a subdivision of a problem. |
| SUPERMODELS | • supermodels n. Plural of supermodel. • SUPERMODEL n. a famous and successful fashion model. |