16-letter words containing o, d, r, i, f
- drag coefficient — a measure of the drag of an object in a moving fluid, esp air
- drift transistor — a transistor in which the impurity concentration in the base increases from the collector-base junction to the emitter-base junction, producing a resistivity gradient that greatly increases its high-frequency response
- embroidery frame — a frame in the form of a pair of (usually circular) rings, designed to keep the fabric taut while an embroiderer works on it
- fair to middling — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
- fashion designer — creator of clothing designs
- fashion industry — the industry that deals with the world of fashion
- federation wheat — an early-maturing drought-resistant variety of wheat developed by William Farrar in 1902
- feel constrained — If you feel constrained to do something, you feel that you must do it, even though you would prefer not to.
- ferdinand marcos — Ferdinand E(dralin) [ed-ruh-lin] /ˈɛd rə lɪn/ (Show IPA), 1917–1989, Philippine political leader: president 1965–86.
- ferrocyanic acid — a white, crystalline, unstable, water-soluble solid, H 4 Fe(CN) 6 , obtained by the interaction of a ferrocyanide and an acid.
- ferruginous duck — a common European duck, Aythyra nyroca, having reddish-brown plumage with white wing bars
- fielder's choice — a fielder's attempt to put out a base runner rather than the batter when a play at first base would put out the batter.
- finance director — financial manager
- find favour with — to be approved of by someone
- finished product — the product that emerges at the end of a manufacturing process
- firework display — a public event at which fireworks are set alight
- first-aid worker — someone who is trained to give immediate medical help in an emergency
- flight indicator — artificial horizon (def 3).
- floridean starch — the storage polysaccharide of red algae.
- food intolerance — an intolerance of a specific type of food, causing an adverse reaction
- food irradiation — the exposure of food to electromagnetic radiation to kill bacteria and retard deterioration
- fool around with — have casual sex
- foot in the door — If you say that something helps someone to get their foot in the door or their toe in the door, you mean that it gives them an opportunity to start doing something new, usually in an area that is difficult to succeed in.
- footsteps editor — the technician who adds sound effects, such as doors closing, rain falling, etc, during the postproduction sound-dubbing process
- for the duration — If you say that something will happen for the duration, you mean that it will happen for as long as a particular situation continues.
- forbid the banns — to raise an objection to a marriage announced in this way
- forced vibration — Forced vibration is a type of vibration in which a force is repeatedly applied to a mechanical system.
- fore and aft rig — a sail set in a line from one end the other of a vessel rather than in a square
- fore-and-aft rig — a rig in which the principal sails are fore-and-aft.
- forked lightning — Forked lightning is lightning that divides into two or more parts near the ground.
- forward analysis — An analysis which determines properties of the output of a program from properties of the inputs.
- forward chaining — A data-driven technique used in constructing goals or reaching inferences derived from a set of facts. Forward chaining is the basis of production systems. Oppose backward chaining.
- forward delivery — delivery at a future date.
- forward planning — business: making future provisions
- forward-thinking — planning or tending to plan for the future; forward-looking.
- forwarding agent — freight forwarder.
- four-deal bridge — a version of bridge in which four hands only are played, the players then cutting for new partners
- four-dimensional — of a space having points, or a set having elements, which require four coordinates for their unique determination.
- four-masted brig — jackass bark (def 2).
- four-wheel drive — a drive system in which engine power is transmitted to all four wheels for improved traction.
- fourth dimension — Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables: Time is considered a fourth dimension for locating points in space-time.
- fraises des bois — wild strawberries
- francis townsend — Francis Everett, 1867–1960, U.S. physician and proposer of the Townsend plan.
- french directory — the body of five directors in power in France from 1795 until their overthrow by Napoleon in 1799
- french indochina — an area in SE Asia, formerly a French colonial federation including Cochin-China, the protectorates of Annam, Cambodia, Tonkin, and Laos, and the leased territory of Kwangchowan: now comprising the three independent states of Vietnam, Cambodia, and Laos. Capital: Hanoi.
- friction welding — a method of welding thermoplastics or metals by the heat generated by rubbing the members to be joined against each other under pressure.
- friedrich wohler — Friedrich [free-drikh] /ˈfri drɪx/ (Show IPA), 1800–82, German chemist.
- friendly society — law: mutual group providing benefits
- fringed polygala — a North American milkwort, Polygala paucifolia, having flowers with purplish-pink, winglike petals and a fringed tube.
- frontier dispute — a conflict concerning a frontier between countries and which usually involves those countries