12-letter words containing f, e, d, o, r
- double first — a first in two subjects.
- draft dodger — a person who evades or attempts to evade compulsory military service.
- draftsperson — a person employed in making mechanical drawings, especially in an architectural or engineering firm.
- duty of care — the legal obligation to safeguard others from harm while they are in your care, using your services, or exposed to your activities
- duty officer — In the police or armed forces, a duty officer is an officer who is on duty at a particular time.
- dwarf cornel — the bunchberry.
- eco-friendly — environmentally safe
- end effector — The end effector of an actuator is the part that comes into contact with the object being moved or controlled.
- fardel-bound — (of ruminants) having the food impacted in the third compartment of the stomach; costive; constipated.
- fare-dodging — the practice of trying to travel on public transport without paying the fare
- farm produce — agricultural products regarded collectively
- favouredness — the quality of or extent to which something is favoured
- feed-forward — A multi-layer perceptron network in which the outputs from all neurons (see McCulloch-Pitts) go to following but not preceding layers, so there are no feedback loops.
- fernando póo — Bioko
- ferric oxide — a dark-red, crystalline, water-insoluble solid, Fe 2 O 3 , occurring naturally, as hematite and rust, or synthesized: used chiefly as a pigment, as a mordant, as a coating for magnetic recording tape, and in the manufacture of polishing compounds.
- ferrocyanide — a salt of ferrocyanic acid, as potassium ferrocyanide, K 4 Fe(CN) 6 .
- ferrofluidic — Of or pertaining to a ferrofluid.
- fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
- fidel castro — Cipriano [sip-ree-ah-noh;; Spanish see-pree-ah-naw] /ˌsɪp riˈɑ noʊ;; Spanish ˌsi priˈɑ nɔ/ (Show IPA), 1858?–1924, Venezuelan military and political leader: president 1901–08; exiled 1908.
- field cornet — a commander of burgher troops called up in time of war or in an emergency, esp during the 19th century
- field ration — ration issued and authorized for troops in the field.
- field sports — sports carried on in the open countryside, such as hunting, shooting, or fishing
- field theory — a detailed mathematical description of the distribution and movement of matter under the influence of one or more fields.
- field-holler — a cry employing falsetto, portamento, and sudden changes of pitch, used in African-American work songs, later integrated into the techniques of the blues
- fingerboards — Plural form of fingerboard.
- firing order — the sequence of ignition in the cylinders of an internal-combustion engine
- flameproofed — Simple past tense and past participle of flameproof.
- flannelboard — a flannel-covered surface to which other flannel pieces, as letters of the alphabet, numbers, etc., adhere merely by contact, used mainly in schools as a visual aid.
- flash powder — powder that could be ignited to provide a bright light to take a photograph
- flindermouse — (obsolete) A bat (the mammal).
- float bridge — a bridge, as from a pier to a boat, floating at one end and hinged at the other to permit loading and unloading at any level of water.
- floor leader — the majority leader or minority leader in either the Senate or the House of Representatives.
- floor trader — a member of a stock or commodity exchange who executes orders on the floor of the exchange for his or her own account.
- floppy drive — disk drive
- florida keys — chain of small islands extending southwest from the S tip of Fla.
- flower child — (especially in the 1960s) a young person, especially a hippie, rejecting conventional society and advocating love, peace, and simple, idealistic values.
- fluoroscoped — Simple past tense and past participle of fluoroscope.
- flutterboard — a kickboard.
- folding rule — a rule composed of light strips of wood joined by rivets so as to be foldable, all the opening and closing parts being in parallel planes.
- food allergy — an allergy to a specific type of food
- food counter — a counter in a shop, bar, cafeteria, etc where food is sold or served
- food service — the preparation, delivery, serving, etc., of ready-to-eat foods: The cafeteria employs over 20 people in food service.
- foolhardiest — Superlative form of foolhardy.
- foot soldier — an infantryman.
- footsoldiers — Plural form of footsoldier.
- for a wonder — to think or speculate curiously: to wonder about the origin of the solar system.
- forced entry — entry into a building by force, eg by forcing a lock
- forced march — any march that is longer than troops are accustomed to and maintained at a faster pace than usual, generally undertaken for a particular objective under emergency conditions.
- forced-draft — using a flow of air or air forced through a pipe or system of pipes by fans or blowers: a forced-draft central heating system.
- fore and aft — situated at or toward the front, as compared with something else.