20-letter words containing f, e, l, r, m, a
- master of the revels — an English court official from the late 15th to early 18th centuries responsible to the Lord Chamberlain for overseeing and paying for court entertainments.
- member of parliament — A Member of Parliament is a person who has been elected by the people in a particular area to represent them in a country's parliament. The abbreviation MP is often used.
- methyl chloroformate — a colorless liquid, C 2 H 3 ClO 2 , used chiefly in organic synthesis.
- mitral insufficiency — abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure.
- most general unifier — (logic) If U is the most general unifier of a set of expressions then any other unifier, V, can be expressed as V = UW, where W is another substitution. See also unification.
- mother of the chapel — (in British trade unions in the publishing and printing industries) a woman shop steward
- mother-of-pearl moth — a pyralid moth, Pleuroptya ruralis, having a pale sheen, that is often seen around nettles, on which its green larvae feed
- normal zeeman effect — the dividing of a spectral line or lines as a result of placing a radiation source in a magnetic field. The division consists of three equally spaced lines (normal Zeeman effect) in systems for which the spin quantum number is zero, or of three or more unequally spaced lines (anomalous Zeeman effect) in systems for which the spin quantum number is not zero.
- parametric amplifier — a device, as an electron tube or transistor, that amplifies a high-frequency input signal by sinusoidally varying the reactance of the circuit.
- patent foramen ovale — a congenital heart defect resulting from failure of the foramen ovale to close shortly after birth.
- permonosulfuric acid — persulfuric acid (def 1).
- 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.
- republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
- sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
- software methodology — (programming) The study of how to navigate through each phase of the software process model (determining data, control, or uses hierarchies, partitioning functions, and allocating requirements) and how to represent phase products (structure charts, stimulus-response threads, and state transition diagrams).
- solitary confinement — the confinement of a prisoner in a cell or other place in which he or she is completely isolated from others.
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- thomas of erceldoune — Thomas of, Thomas of Erceldoune.
- to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
- trumpet call for sth — a signal for something
- upper yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park that is 436 m (1430 ft) high
- 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