16-letter words containing r, i, d, e, f, o
- 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
- 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
- floridean starch — the storage polysaccharide of red algae.
- food intolerance — an intolerance of a specific type of food, causing an adverse reaction
- 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 delivery — delivery at a future date.
- 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
- funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
- gazetted officer — (in India) a senior official whose appointment is published in the government gazette
- gender-profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
- gold certificate — a former U.S. paper currency issued by the federal government for circulation from 1865 to 1933, equal to and redeemable for gold to a stated value.
- group identifier — (operating system) (gid) A unique number, between 0 an 32767, identifying a set of users under Unix. Gids are found in the /etc/passwd and /etc/group databases (or their NIS equivalents) and one is also associated with each file, indicating the group to which its group permissions apply.
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
- hold a brief for — to argue for; champion
- homme d'affaires — a businessman.
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- hydrogen sulfide — a colorless, flammable, water-soluble, cumulatively poisonous gas, H 2 S, having the odor of rotten eggs: used chiefly in the manufacture of chemicals, in metallurgy, and as a reagent in laboratory analysis.
- infinite product — a sequence of numbers in which an infinite number of terms are multiplied together.
- information desk — helpdesk, information point
- informed consent — a patient's consent to a medical or surgical procedure or to participation in a clinical study after being properly advised of the relevant medical facts and the risks involved.
- isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
- kingdom of arles — a kingdom in SE France which had dissolved by 1378: known as the Kingdom of Burgundy until about 1200
- kondratieff wave — a long business cycle of economic expansion and contraction, postulated to last about 60 years.
- letter of advice — a notification from a consignor to a consignee giving specific information as to a shipment, the name of the carrier, the date shipped, etc.