20-letter words containing u, n, r, f, a
- quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
- queen of the prairie — a tall plant, Filipendula rubra, of the rose family, having branching clusters of pink flowers, growing in meadows and prairies.
- recuperative furnace — a furnace having its incoming air heated by exhaust gases, the passage of air and gases through the furnace being always in the same direction.
- refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
- regenerative furnace — a furnace in which the incoming air is heated by regenerators.
- return from the dead — (jargon) To regain access to the net after a long absence. Compare person of no account.
- return of the native — a novel (1878) by Thomas Hardy.
- ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
- run off at the mouth — Anatomy, Zoology. the opening through which an animal or human takes in food. the cavity containing the structures used in mastication. the structures enclosing or being within this cavity, considered as a whole.
- square of opposition — a diagrammatic representation of the opposition of categorical propositions.
- strong nuclear force — an interaction between elementary particles responsible for the forces between nucleons in the nucleus. It operates at distances less than about 10–15 metres, and is about a hundred times more powerful than the electromagnetic interaction
- surface-active agent — any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
- tax-deferred annuity — an annuity that enables one to purchase an insurance product that will earn interest, with the tax obligation deferred until withdrawals begin, usually at retirement. Abbreviation: TDA.
- the course of nature — the ordinary course of events
- the founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
- thomas of erceldoune — Thomas of, Thomas of Erceldoune.
- thought transference — transference of thought by extrasensory means from the mind of one individual to another; telepathy.
- to bear the brunt of — To bear the brunt or take the brunt of something unpleasant means to suffer the main part or force of it.
- to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
- to fall on your feet — If you say that someone always falls or lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
- to land on your feet — If you say that someone always lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
- too much information — I don't want to hear any more
- turn over a new leaf — one of the expanded, usually green organs borne by the stem of a plant.
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- universal quantifier — a quantifier indicating that the sentential function within its scope is true for all values of any variable included in the quantifier.
- university of durham — (body, education) A busy research and teaching community in the historic cathedral city of Durham, UK (population 61000). Its work covers key branches of science and technology and traditional areas of scholarship. Durham graduates are in great demand among employers and the University helps to attract investment into the region. It provides training, short courses, and expertise for industry. Through its cultural events, conferences, tourist business and as a major employer, the University contributes in a wide social and economic sense to the community. Founded in 1832, the University developed in Durham and Newcastle until 1963 when the independent University of Newcastle upon Tyne came into being. Durham is a collegiate body, with 14 Colleges or Societies which are a social and domestic focus for students. In 1992, the Universities of Durham and Teesside launched University College, Stockton-on-Tees, which has 190 students in the first year.
- university of hawaii — (body, education) A University spread over 10 campuses on 4 islands throughout the state. See also Aloha, Aloha Net.
- uranium hexafluoride — a colorless, water-insoluble, crystalline, volatile solid, UF 6 , used in its gaseous state in separating uranium 235 from uranium.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- whole-life insurance — a type of insurance with a savings element that is guaranteed to pay out on death provided premiums have been paid as required by the policy
- woman of easy virtue — a sexually available woman, esp a prostitute
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.