| FOCOMETERS | • focometers n. Plural of focometer. • FOCOMETER n. an instrument for measuring the focal length of a lens, also FOCIMETER. |
| FEMTOSECOND | • femtosecond n. A unit of time equal to 0.000 000 000 000 001 seconds (i.e. 1×10−15 seconds) and with symbol fs. • FEMTOSECOND n. one quadrillionth part of a second. |
| ELECTROFORMS | • electroforms v. Third-person singular simple present indicative form of electroform. • ELECTROFORM v. to form (shaped articles) by electrodeposition on a mold. |
| FEMTOSECONDS | • femtoseconds n. Plural of femtosecond. • FEMTOSECOND n. one quadrillionth part of a second. |
| FERROCHROMES | • ferrochromes n. Plural of ferrochrome. • FERROCHROME n. an alloy of iron with chromium, also FERROCHROMIUM. |
| OLFACTOMETERS | • olfactometers n. Plural of olfactometer. • OLFACTOMETER n. an instrument measuring intensity of odour of a substance. |
| RECOMFORTLESS | • recomfortless adj. (Obsolete, rare) Without comfort, unconsoled. • RECOMFORTLESS adj. (Spenser) comfortless. |
| RECOMFORTURES | • RECOMFORTURE n. (Shakespeare) consolation. |
| TELESCOPIFORM | • telescopiform adj. Shaped like a telescope, with retractile tubular portions. • TELESCOPIFORM adj. in the form of a telescope. |
| COUNTERREFORMS | • counterreforms n. Plural of counterreform. • COUNTERREFORM v. to make a reform designed to counter another reform. |
| FROLICSOMENESS | • frolicsomeness n. The quality of being frolicsome; playfulness. • FROLICSOME n. given to pranks; sportive. |
| OLFACTOMETRIES | • OLFACTOMETRY n. the measurement of the sharpness of the sense of smell. |
| COMFORTABLENESS | • comfortableness n. Comfort: the quality or state of being comfortable. • COMFORTABLENESS n. the state of being comfortable. |
| COMFORTLESSNESS | • comfortlessness n. The state or quality of being comfortless. • COMFORTLESS n. without comfort. |
| CONFORMABLENESS | • conformableness n. The state or quality of being conformable. • CONFORMABLE n. compliant. |
| ELECTROFORMINGS | • ELECTROFORMING n. forming (shaped articles) by electrodeposition on a mould. |
| NONENFORCEMENTS | • nonenforcements n. Plural of nonenforcement. • NONENFORCEMENT n. something that is not enforcement. |
| NONPERFORMANCES | • nonperformances n. Plural of nonperformance. • NONPERFORMANCE n. something that is not a performance. |