| ELECTROFORMS | • electroforms v. Third-person singular simple present indicative form of electroform. • ELECTROFORM v. to form (shaped articles) by electrodeposition on a mold. |
| FLUOROMETERS | • fluorometers n. Plural of fluorometer. • FLUOROMETER n. an instrument for measuring fluorescence, also FLUORIMETER. |
| FOLKSONOMIES | • folksonomies n. Plural of folksonomy. • FOLKSONOMY n. a system of classification that makes use of terms that occur naturally in the language of users of the system. |
| FOOTLAMBERTS | • footlamberts n. Plural of footlambert. • foot-lamberts n. Plural of foot-lambert. • FOOTLAMBERT n. a unit of luminance of a surface emitting one lumen per square foot. |
| FORMULATIONS | • formulations n. Plural of formulation. • FORMULATION n. an act or the product of formulating. |
| FROLICSOMELY | • frolicsomely adv. In a frolicsome manner. • FROLICSOME adv. given to pranks; sportive. |
| MACROFOSSILS | • macrofossils n. Plural of macrofossil. • MACROFOSSIL n. a fossil large enough to be seen with the naked eye. |
| MICROFOSSILS | • microfossils n. Plural of microfossil. • MICROFOSSIL n. a very small fossil. |
| MONTGOLFIERS | • Montgolfiers n. Plural of Montgolfier. • MONTGOLFIER n. (French) a balloon using fire for propulsion. |
| MULTIFLOROUS | • multiflorous adj. (Botany) Having many flowers. • MULTIFLOROUS adj. many-flowered. |
| OFFICIALDOMS | • officialdoms n. Plural of officialdom. • OFFICIALDOM n. officials as a class. |
| STROBILIFORM | • strobiliform adj. Shaped like a strobile. • STROBILIFORM adj. having the form of a strobil. |
| TOMFOOLERIES | • tomfooleries n. Plural of tomfoolery. • TOMFOOLERY n. playful or foolish behavior. |