16-letter words containing r, f, i, d, t
- 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.
- feira de santana — a city in BahÍa state, E Brazil.
- feline distemper — distemper1 (def 1c).
- 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
- first derivative — the derivative of a function: Velocity is the first derivative of distance with respect to time.
- first-aid worker — someone who is trained to give immediate medical help in an emergency
- fishing industry — the industry of catching fish
- 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-thinking — planning or tending to plan for the future; forward-looking.
- forwarding agent — freight forwarder.
- four-masted brig — jackass bark (def 2).
- 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.
- francis townsend — Francis Everett, 1867–1960, U.S. physician and proposer of the Townsend plan.
- frederic mistral — Frédéric [frey-dey-reek] /freɪ deɪˈrik/ (Show IPA), 1830–1914, French Provençal poet: Nobel prize 1904.
- french directory — the body of five directors in power in France from 1795 until their overthrow by Napoleon in 1799
- 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.
- friendly society — law: mutual group providing benefits
- frontier dispute — a conflict concerning a frontier between countries and which usually involves those countries
- ft share indexes — any of a number of share indexes published by the Financial Times to reflect various aspects of stock exchange prices
- funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
- garfield heights — a city in NE Ohio, near Cleveland.
- gazetted officer — (in India) a senior official whose appointment is published in the government gazette
- gentleman friend — a man with whom a woman is romantically involved; suitor.
- 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.
- good-for-nothing — worthless; of no use.
- 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.
- headhunting firm — a recruiting agency
- 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.
- hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
- 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)
- 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.