| BETATOPIC | • BETATOPIC adj. of atoms, differing in proton number by one. |
| DIOPTRATE | • dioptrate adj. (Entomology) Divided transversely. • DIOPTRATE adj. of insects, having the compound eye divided transversely. |
| OPTATIVES | • optatives n. Plural of optative. • OPTATIVE n. a grammatical mood expressing a desire or wish. |
| OPTIMATES | • optimates n. Plural of optimate. • OPTIMATE n. a member of the aristocracy. |
| PANETTONI | • panettoni n. Plural of panettone. • PANETTONE n. (Italian) a kind of spiced cake, usually made with sultanas. |
| PATOOTIES | • patooties n. Plural of patootie. • patooties n. Plural of patooty. • PATOOTIE n. (colloquial) the buttocks, also PATOOT. |
| PELTATION | • PELTATION n. the state of being peltate. |
| PETIOLATE | • petiolate adj. Petiolated (connected to a stem by means of a petiole). • petiolate n. Such a leaf. • PETIOLATE adj. having a petiole, a leafstalk, also PETIOLATED, PETIOLED. |
| PETTICOAT | • petticoat n. (Historical) A tight, usually padded undercoat worn by men over a shirt and under the doublet. • petticoat n. (Historical) A woman’s undercoat, worn to be displayed beneath an open gown. • petticoat n. (Historical) A fisherman’s loose canvas or oilcloth skirt. |
| PORTATILE | • portatile adj. (Obsolete) portable. • PORTATILE adj. portable. |
| PORTATIVE | • portative adj. (Now rare) Portable. • portative adj. (Obsolete) Capable of holding up or carrying. • portative n. (Now chiefly historical) A portative organ. |
| POTENTIAL | • potential n. Currently unrealized ability (with the most common adposition being to). • potential n. (Physics) The gravitational potential: the radial (irrotational, static) component of a gravitational… • potential n. (Physics) The work (energy) required to move a reference particle from a reference location to a specified… |
| REPTATION | • reptation n. A creeping movement. (Can we add an example for this sense?) • reptation n. (Physics) A creeping thermal motion of entangled linear polymers. • reptation n. (Geometry) The motion of one plane figure around another, so that the longest diameter of one shall… |
| SEPTATION | • septation n. The division of a cavity by means of a partition. • septation n. (Biology) The development of a septum. • SEPTATION n. the state of being septate, partitioned by a septum. |
| THIOTEPAS | • THIOTEPA n. a sulfur compound, used as an antineoplastic. |
| TRITANOPE | • tritanope n. One who has tritanopia. • TRITANOPE n. one suffering from tritanopia, the inability to distinguish the colour blue. |
| VAPORETTI | • vaporetti n. Plural of vaporetto. • VAPORETTO n. (Italian) a motorboat serving as a canal bus in Venice. |