| FELSPATHOID | • felspathoid n. Alternative form of feldspathoid. • felspathoid adj. Alternative form of feldspathoid. • FELSPATHOID n. any mineral of a group related to feldspar, also FELDSPATHOID, FOID. |
| FELSPATHOSE | • FELSPATHOSE adj. of or like felspar, also FELDSPATHIC, FELDSPATHOSE, FELSPATHIC. |
| FLOATPLANES | • floatplanes n. Plural of floatplane. • FLOATPLANE n. a seaplane. |
| FOETIPAROUS | • foetiparous adj. Alternative form of fetiparous. • FOETIPAROUS adj. of marsupials, such as the kangaroo, giving birth to incompletely developed offspring, also FETIPAROUS. |
| FORETOPMAST | • foretopmast n. (Nautical) The mast above the foretop. • FORETOPMAST n. the mast above the foretop platform. |
| FORTEPIANOS | • fortepianos n. Plural of fortepiano. • FORTEPIANO n. the eighteenth century name for an early type of piano; a fortepiano note. |
| PERFORATORS | • perforators n. Plural of perforator. • PERFORATOR n. a machine for perforating. |
| PERMAFROSTS | • permafrosts n. Plural of permafrost. • PERMAFROST n. permanently frozen subsoil. |
| PIANOFORTES | • pianofortes n. Plural of pianoforte. • piano-fortes n. Plural of piano-forte. • PIANOFORTE n. (Italian) a large keyboard musical instrument. |
| PLATFORMERS | • platformers n. Plural of platformer. • PLATFORMER n. a platform game, a type of computer game that is played by moving a figure on the screen through a series of obstacles and problems. |
| PREFRONTALS | • prefrontals n. Plural of prefrontal. • PREFRONTAL n. a frontal bone. |
| PROFANITIES | • profanities n. Plural of profanity. • PROFANITY n. the state of being profane; a swearword. |
| PROFLIGATES | • profligates n. Plural of profligate. • PROFLIGATE n. one who is profligate. |
| SPLAYFOOTED | • splayfooted adj. Having a splayfoot or splayfeet. • splay-footed adj. Having a splayfoot or splayfeet. • SPLAYFOOTED adj. having splayed feet. |
| TEASPOONFUL | • teaspoonful n. A unit of capacity equal to the amount a teaspoon can hold which is taken approximately as 5 ml. • TEASPOONFUL n. the contents of a teaspoon. |
| WATERPROOFS | • waterproofs v. Third-person singular simple present indicative form of waterproof. • waterproofs n. Plural of waterproof. • WATERPROOF v. to make waterproof. |