| FLUOROSCOPY | • fluoroscopy n. (Medicine) Examination using a fluoroscope. • FLUOROSCOPY n. examination with a fluoroscope. | 
| FLUOROTYPES | • fluorotypes n. Plural of fluorotype. • FLUOROTYPE n. (obsolete) photography by means of fluorides. | 
| GYPSIFEROUS | • gypsiferous adj. Containing gypsum. • GYPSIFEROUS adj. bearing gypsum. | 
| PLAYFULNESS | • playfulness n. The quality of being playful. • PLAYFULNESS n. the state of being playful. | 
| POLYSULFIDE | • polysulfide n. (Chemistry) Any compound of general formula RSnR having a chain of more than two sulfur atoms; any derivative… • POLYSULFIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULPHIDE. | 
| PUSSYFOOTED | • pussyfooted v. Simple past tense and past participle of pussyfoot. • PUSSYFOOT v. to tread softly or lightly to avoid being noticed; to act cautiously or noncommittally. | 
| PUSSYFOOTER | • pussyfooter n. One who pussyfoots. • PUSSYFOOTER n. one who pussyfoots. | 
| PYROSULFITE | • pyrosulfite n. (Inorganic chemistry) metabisulfite. • PYROSULFITE n. as in sodium pyrosulfite, an inorganic compound used as a preservative, antioxidant and disinfectant. | 
| REPOSEFULLY | • reposefully adv. In a reposeful manner; at rest. • REPOSEFUL adv. restful. | 
| SPLEENFULLY | • spleenfully adv. In a spleenful manner; spitefully. • SPLEENFUL adv. affected with spleen, fretful, also SPLEENISH. | 
| SPRITEFULLY | • SPRITEFUL adv. impish. | 
| SUPERFAMILY | • superfamily n. (Taxonomy) A taxonomic category above family and below order (and its subdivisions). • superfamily n. (Molecular biology) A large group of related proteins or other molecules. • SUPERFAMILY n. a category of biological classification ranking below an order and above a family. | 
| SUPERFLUITY | • superfluity n. The quality or state of being superfluous; overflowingness. • superfluity n. Something superfluous, as a luxury. • superfluity n. (Rare) Collective noun for a group of nuns. | 
| SUPERSAFETY | • supersafety n. The state or condition of being supersafe; exceptional safety. • SUPERSAFETY n. the state of being supersafe. |