| HIPSTERISMS | • hipsterisms n. Plural of hipsterism. • HIPSTERISM n. the state of being a hipster, a person who knows and appreciates up-to-date jazz. |
| ISOTROPISMS | • ISOTROPISM n. isotropy, also ISOTROPY. |
| MASSPRIESTS | • mass␣priests n. Plural of mass priest. • MASSPRIEST n. a priest retained in chantries to say masses for the dead. |
| MASTERSHIPS | • masterships n. Plural of mastership. • MASTERSHIP n. the state or office of a master. |
| PARASITISMS | • parasitisms n. Plural of parasitism. • PARASITISM n. the behavior of a parasite. |
| PASSIMETERS | • passimeters n. Plural of passimeter. • PASSIMETER n. a machine for issuing automatic tickets. |
| PASTEURISMS | • PASTEURISM n. a method of treatment, devised by Pasteur, for preventing certain diseases, as hydrophobia, by successive inoculations with an attenuated virus of gradually increasing strength. |
| POSTMASTERS | • postmasters n. Plural of postmaster. • POSTMASTER n. one who has charge of a station for the accommodation of travelers; one who supplies post horses. |
| PRESBYTISMS | • PRESBYTISM n. presbyopia. |
| PRESENTISMS | • presentisms n. Plural of presentism. • PRESENTISM n. the practice of evaluating past events and people by present-day values. |
| PRESTISSIMO | • prestissimo adj. (Music) Extremely fast, the fastest possible tempo. • prestissimo adv. (Chiefly music) Very quickly. • PRESTISSIMO adj. (Italian) as quickly as possible. |
| PROSTATISMS | • prostatisms n. Plural of prostatism. • PROSTATISM n. an illness or disorder associated with enlargement of the prostate. |
| SEPARATISMS | • separatisms n. Plural of separatism. • SEPARATISM n. a belief in, movement for, or state of separation, also SEPARATIONISM. |
| SHIPMASTERS | • shipmasters n. Plural of shipmaster. • SHIPMASTER n. the master or commander of a ship other than a warship. |
| SLIPSTREAMS | • slipstreams n. Plural of slipstream. • slipstreams v. Third-person singular simple present indicative form of slipstream. • SLIPSTREAM v. to drive in the slipstream of a vehicle. |
| SPINMASTERS | • spinmasters n. Plural of spinmaster. |
| SUPERSTORMS | • superstorms n. Plural of superstorm. • SUPERSTORM n. an extremely powerful storm that causes widespread devastation. |
| SUPERSYSTEM | • supersystem n. A system comprising several subsystems. • SUPERSYSTEM n. a system that is made up of systems. |
| TEMPTRESSES | • temptresses n. Plural of temptress. • TEMPTRESS n. a female tempter. |