| AFFIRMATORY | • affirmatory adj. Giving affirmation; assertive; affirmative. • AFFIRMATORY adj. expressing affirmation. |
| AFTERBRAINS | • afterbrains n. Plural of afterbrain. • AFTERBRAIN n. a nontechnical name for the myelencephalon. |
| AIRCRAFTMAN | • aircraftman n. A member of the lowest rank in the Royal Air Force or the air forces of various other Commonwealth countries. • AIRCRAFTMAN n. a member of the lowest (male) rank in the RAF, also AIRCRAFTSMAN. |
| AIRCRAFTMEN | • aircraftmen n. Plural of aircraftman. • AIRCRAFTMAN n. a member of the lowest (male) rank in the RAF, also AIRCRAFTSMAN. |
| FABRICATORS | • fabricators n. Plural of fabricator. • FABRICATOR n. one who fabricates. |
| FRACTIONARY | • fractionary adj. (Obsolete) fractional. • FRACTIONARY adj. fractional, fragmentary. |
| FRATRICIDAL | • fratricidal adj. Of or pertaining to fratricide. • FRATRICIDAL adj. relating to fratricide. |
| FRITILLARIA | • fritillaria n. (Botany) Any plant in the genus Fritillaria. • Fritillaria prop.n. A taxonomic genus within the family Liliaceae – the fritillary flowering plants. • Fritillaria prop.n. A taxonomic genus within the family Fritillariidae – many small free-swimming tunicates. |
| FRUITARIANS | • fruitarians n. Plural of fruitarian. • FRUITARIAN n. a person who lives on fruit. |
| PREFATORIAL | • prefatorial adj. Prefatory. • PREFATORIAL adj. serving as preface or opening remarks. |
| RAREFACTION | • rarefaction n. A reduction in the density of a material, especially that of a fluid. • RAREFACTION n. the act of rarefying. |
| RAREFACTIVE | • rarefactive adj. Of, pertaining to, or causing rarefaction. • RAREFACTIVE adj. causing rarefaction. |
| RASTAFARIAN | • Rastafarian n. An adherent of Rastafarianism. • Rastafarian adj. Of or relating to Rastafarianism or its adherents. • RASTAFARIAN n. a member of rastafari, a West Indian cult which rejects western ideas and regards the Emperor Haile Selassie as divine. |
| TRAFFICATOR | • trafficator n. (Automotive) A blinking light on a motor vehicle that indicates the direction in which it is about to turn. • trafficator n. (Historical) A semaphore device with a steady light that served the same purpose on early vehicles. • TRAFFICATOR n. formerly, a movable pointer raised or lowered by the driver of a vehicle to warn of a change of direction. |