| FELDSPATHOIDS | • feldspathoids n. Plural of feldspathoid. • FELDSPATHOID n. any mineral of a group related to feldspar, also FELSPATHOID, FOID. |
| FILIOPIETISMS | Sorry, definition not available. |
| FLUOROSCOPIST | • fluoroscopist n. One who carries out fluoroscopy. • FLUOROSCOPIST n. one who uses a fluoroscope. |
| FORTEPIANISTS | • fortepianists n. Plural of fortepianist. • FORTEPIANIST n. a player of the fortepiano. |
| FRONTISPIECES | • frontispieces n. Plural of frontispiece. • FRONTISPIECE n. an illustration at the front of a book facing the title-page. |
| MIFEPRISTONES | • MIFEPRISTONE n. a synthetic compound that inhibits the action of progesterone, used in pill form to induce abortion in early pregnancy. |
| PERFUSIONISTS | • perfusionists n. Plural of perfusionist. • PERFUSIONIST n. the member of a surgical team administering continuous blood transfusion. |
| PESTIFEROUSLY | • pestiferously adv. In a pestiferous manner. • PESTIFEROUS adv. bringing plague or pestilence. |
| PHOTOFISSIONS | • photofissions n. Plural of photofission. • photofissions v. Third-person singular simple present indicative form of photofission. • PHOTOFISSION n. nuclear fission induced by gamma rays. |
| POSTFEMINISMS | • postfeminisms n. Plural of postfeminism. • POSTFEMINISM n. a movement that regards the main principles of feminism as either achieved or misguided and seeks a new programme. |
| POSTFEMINISTS | • postfeminists n. Plural of postfeminist. • POSTFEMINIST n. a supporter of postfeminism. |
| PROFESSORIATE | • professoriate n. Professors considered as a group or body. • professoriate n. (Dated) The office of a professor. • PROFESSORIATE n. the body of college and university teachers at an institution or in society, also PROFESSORIAT. |
| PROFESSORIATS | • professoriats n. Plural of professoriat. • PROFESSORIAT n. the body of college and university teachers at an institution or in society, also PROFESSORIATE. |
| PUSSYFOOTINGS | • PUSSYFOOTING n. the act of approaching a topic with great caution. |
| RUSTPROOFINGS | • RUSTPROOFING n. the act of making resistant to rust, such as by applying a coating. |
| SLUMPFLATIONS | • SLUMPFLATION n. a state or period of combined economic decline and rising inflation. |
| SPIFLICATIONS | • SPIFLICATION n. the act of spiflicating, also SPIFFLICATION. |
| SPORTFISHINGS | • SPORTFISHING n. fishing for sport. |
| STUPEFACTIONS | • stupefactions n. Plural of stupefaction. • STUPEFACTION n. the act of stupefying. |