19-letter words containing f, r, e, o
- kingdom of lorraine — an early medieval kingdom on the Meuse, Moselle, and Rhine rivers: later a duchy
- lay one's finger on — to indicate, identify, or locate accurately
- left-luggage locker — a coin-operated locker in which luggage can be left
- letters of credence — credentials issued to a diplomat or other governmental representative for presentation to the country to which he or she is sent.
- library of congress — one of the major library collections in the world, located in Washington, D.C., and functioning in some ways as the national library of the U.S. although not officially designated as such: established by Congress in 1800 for service to its members, but now also serving government agencies, other libraries, and the public.
- life-support system — A life-support system is the same as a life-support machine.
- lift the curtain on — to begin
- limit of resolution — the capacity of an optical system to resolve point objects as separate images.
- line of demarcation — a separation between things deemed to be distinct
- load-bearing printf — (programming, humour) The kind of bug present in a program which works correctly when producing debug output but fails when the debugging is turned off. The expression combines load-bearing wall and printf as used in debugging by printf.
- love at first sight — instant romantic attraction to sb
- low insertion force — (hardware) (LIF) PGA/SPGA sockets with no handle. The integrated circuit is simply pushed into the socket, and levered out to remove. Most motherboard processor sockets are now ZIF rather than LIF.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.
- lyon office of arms — Heralds' Office.
- magnetomotive force — a scalar quantity that is a measure of the sources of magnetic flux in a magnetic circuit. Abbreviation: mmf.
- make a pig's ear of — to ruin disastrously
- make oneself scarce — insufficient to satisfy the need or demand; not abundant: Meat and butter were scarce during the war.
- malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
- maratha confederacy — a loose league of states in central and western India, c1750–1818.
- margaret of navarre — 1492–1549, queen of Navarre 1544–49: patron of literature, author of stories, and poet.
- mary wollstonecraft — Mary (Mary Wollstonecraft Godwin) 1759–97, English author and feminist (mother of Mary Shelley).
- master of foxhounds — the person responsible for the conduct of a fox hunt and to whom all members of the hunt and its staff are responsible. Abbreviation: M.F.H.
- master of the horse — (in England) the third official of the royal household
- master of the rolls — (in England and Wales) the judge who presides over the Court of Appeal (Civil Division) and who was formerly Keeper of the Records at the Public Record Office
- mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
- means of production — resources: equipment, workers
- measure for measure — a comedy (1604) by Shakespeare.
- membership function — fuzzy subset
- midafternoon prayer — the fifth of the seven canonical hours; none
- mine of information — source of great knowledge
- ministry of defence — the government department responsible for the country's military measures or resources
- miracle of st. mark — a painting (1548) by Tintoretto.
- more often than not — usually
- most favored nation — a nation to which privileges of trade are extended under a government policy of giving the same privileges to all nations that are given to any one of them, sometimes depending on whether certain conditions, as of reciprocity, are met
- most-favored-nation — of or relating to the status, treatment, terms, etc., that are embodied in or conferred by a most-favored-nation clause.
- mother-of-thousands — strawberry geranium.
- moving spirit/force — The moving spirit or moving force behind something is the person or thing that caused it to start and to keep going, or that influenced people to take part in it.
- nasty piece of work — malicious person
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- nerve growth factor — a protein that promotes the growth, organization, and maintenance of sympathetic and some sensory nerve cells. Abbreviation: NGF.
- network file system — (networking, operating system) (NFS) A protocol developed by Sun Microsystems, and defined in RFC 1094, which allows a computer to access files over a network as if they were on its local disks. This protocol has been incorporated in products by more than two hundred companies, and is now a de facto standard. NFS is implemented using a connectionless protocol (UDP) in order to make it stateless. See Nightmare File System, WebNFS.
- non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- nonforfeiture value — any benefit, as cash or other form of insurance, available to a life-insurance policyholder who discontinues premium payments on the policy.
- nordrhein-westfalen — German name of North Rhine-Westphalia.
- norfolk island pine — a coniferous evergreen tree, Araucaria heterophylla (or A. excelsa), having whorled branches and needlelike foliage, widely cultivated as a houseplant.
- north pacific ocean — the northern part of the Pacific Ocean, extending from the equator to the Arctic Ocean.
- north-west frontier — the area roughly equivalent to the present North-West Frontier Province of Pakistan, which is the days of the British Raj was regarded as one of the most remote and dangerous outposts of the British Empire
- not care/give a fig — If you say that someone doesn't care a fig or doesn't give a fig about something, you are emphasizing that they think it is unimportant or that they are not interested in it.
- not for much longer — if something will not happen for much longer, it will soon stop happening