| ORPINS | • ORPIN n. a yellow pigment of various degrees of intensity, approaching also to red. |
| PORINS | • porins n. Plural of porin. • PORIN n. any of a class of proteins through which molecules can diffuse. |
| PRINKS | • prinks v. Third-person singular simple present indicative form of prink. • prinks n. (UK, university slang, humorous) Contraction of pre-drinks. • PRINK v. to dress or adorn in a showy manner. |
| PRINTS | • prints n. Plural of print. • prints v. Third-person singular simple present indicative form of print. • PRINT v. to produce by pressed type on a surface. |
| PRIONS | • prions n. Plural of prion. • PRION n. any petrel of a genus feeding on the plankton of the southern oceans. |
| PRISON | • prison n. A place or institution of confinement, especially of long-term confinement for those convicted of serious… • prison n. (Uncountable) Confinement in prison. • prison n. (Colloquial, figurative) Any restrictive environment, such as a harsh academy or home. |
| PROINS | • proins v. Third-person singular simple present indicative form of proin. • PROIN v. (obsolete) to preen, prune, also PROIGN, PROINE, PROYN, PROYNE. |
| PURINS | • PURIN n. a white crystalline substance which with oxygen forms uric acid, also PURINE. |
| REPINS | • repins v. Third-person singular simple present indicative form of repin. • REPIN v. to pin again. |
| RIPENS | • ripens v. Third-person singular simple present indicative form of ripen. • RIPEN v. to become ripe. |
| SNIPER | • sniper n. A person using long-range small arms for precise attacks from a concealed position. • sniper n. Any attacker using a non-contact weapon against a specific target from a concealed position. • sniper n. One who shoots from a concealed position. |
| SPINAR | • spinar n. (Astronomy) A rapidly-rotating supermassive star, once hypothesized as the identity of quasars. • SPINAR n. a rapidly spinning galactic body. |
| SPINOR | • spinor n. (Algebra) An element of the fundamental representation of a Clifford algebra that transforms to its… • SPINOR n. a type of mathematical vector. |
| SPRAIN | • sprain v. To weaken, as a joint, ligament, or muscle, by sudden and excessive exertion, as by wrenching; to overstrain… • sprain n. The act or result of spraining; lameness caused by spraining. • SPRAIN v. to injure by twisting or wrenching. |
| SPRING | • spring v. (Intransitive) To burst forth. • spring v. (Transitive, archaic, of beards) To grow. • spring v. (Transitive) To cause to burst forth. |
| SPRINT | • sprint n. A short race at top speed. • sprint n. A burst of speed or activity. • sprint n. (Software engineering) In Agile software development, a period of development of a fixed time that is… |
| UNRIPS | • unrips v. Third-person singular simple present indicative form of unrip. • UNRIP v. to rip open. |