16-letter words containing d, o, t, f
- forked lightning — Forked lightning is lightning that divides into two or more parts near the ground.
- forward contract — a contract to buy or sell an asset at a point in the future at a previously agreed price
- forward-thinking — planning or tending to plan for the future; forward-looking.
- forwarding agent — freight forwarder.
- foundation stone — any of the stones composing the foundation of a building.
- four-letter word — any of a number of short words, usually of four letters, considered offensive or vulgar because of their reference to excrement or sex.
- four-masted brig — jackass bark (def 2).
- fourth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
- 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.
- freeboard length — the length of a vessel, measured on the summer load line from the fore side of the stem to some part of the stern, usually the after side of the rudderpost.
- 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
- from the word go — to move or proceed, especially to or from something: They're going by bus.
- front and center — If a topic or question is front and center, a lot of attention is being paid to it or a lot of people are talking about it.
- front-end loader — a loader having a shovel or bucket at the end of an articulated arm located at the front of the vehicle.
- 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
- 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.
- gulf of thailand — an arm of the South China Sea between the Malay Peninsula and Indochina
- half-blind joint — a corner dovetail joint visible on one face only.
- head post office — the main post office in a town
- health food shop — a shop which sells health foods
- hen of the woods — a large, grayish-brown, edible fungus, Polyporus frondosus, forming a mass of overlapping caps at the base of trees and somewhat resembling a hen.
- 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.
- in the middle of — at the centre of
- in the shadow of — very close to; verging upon
- infant education — (in England and Wales) education provided for children at infant schools
- 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.
- lady of the lake — a narrative poem (1810) by Sir Walter Scott.
- 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.
- letter of credit — an order issued by a banker allowing a person named to draw money to a specified amount from correspondents of the issuer.
- line of latitude — an imaginary line on a globe, map, etc, indicating latitude
- lithium fluoride — a fine, white, slightly water-soluble powder, LiF, used chiefly in the manufacture of ceramics.
- luck of the draw — the force that seems to operate for good or ill in a person's life, as in shaping circumstances, events, or opportunities: With my luck I'll probably get pneumonia.
- make a day of it — to cause an activity to last a day
- man of the world — a man who is widely experienced in the ways of the world and people; an urbane, sophisticated man.
- matter of record — a fact or statement that appears on the record of a court and that can be proved or established by producing such record.
- mexican standoff — a stalemate or impasse; a confrontation that neither side can win.
- month of sundays — a long time
- no-fault divorce — a divorce granted without anyone being found guilty of marital misconduct