9-letter words containing d, i, f, r, a
- picofarad — one trillionth of a farad. Abbreviation: pF.
- quadrifid — cleft into four parts or lobes.
- radcliffe — Ann (Ward) 1764–1823, English writer of Gothic romances.
- refrained — to abstain from an impulse to say or do something (often followed by from): I refrained from telling him what I thought.
- refudiate — to reject as untrue or refuse to acknowledge.
- safid rud — a river flowing from NW Iran into the Caspian Sea. 450 miles (725 km) long.
- sangfroid — coolness of mind; calmness; composure: They committed the robbery with complete sang-froid.
- semidwarf — a plant which is smaller than usual but bigger than a dwarf
- sigrdrifa — a Valkyrie who, for disobedience to Odin, sleeps within a circle of fire until awakened by Sigurd.
- stardrift — the very small continuous change in the direction of movement which is shared by the stars within a particular cluster
- threadfin — any spiny-rayed fishes of the family Polynemidae, having the lower part of the pectoral fin composed of numerous, separate, filamentous rays.
- wildcraft — The harvesting of wild plants to sell or make into saleable products.
- wind farm — a large grouping of wind generators or wind plants located at a site having dependable strong winds.