20-letter words containing a, l, f, r, n

la canada-flintridge — a town in SW California.
law of contradiction — the law that a proposition cannot be both true and false or that a thing cannot both have and not have a given property.
law of large numbers — the theorem in probability theory that the number of successes increases as the number of experiments increases and approximates the probability times the number of experiments for a large number of experiments.
law of superposition — Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
like a house on fire — If two people get on like a house on fire, they quickly become close friends, for example because they have many interests in common.
like a ton of bricks — (used esp of the manner of punishing or reprimanding someone) with great force; severely
llanfairpwllgwyngyll — a village in NW Wales, in SE Anglesey: reputed to be the longest place name in Great Britain when unabbreviated; means: St Mary's Church in the hollow of the white hazel near the rapid whirlpool of Llandysilio of the red cave
llywelyn ap gruffudd — died 1282, prince of Wales (1258–82): the only Welsh ruler to be recognized as such by the English
logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
longitudinal framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
margaret of scotland — Saint. 1045–93, queen consort of Malcolm III of Scotland. Her piety and benefactions to the church led to her canonization (1250). Feast days: June 10, Nov 16
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.
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.
morning glory family — the plant family Convulvulaceae, characterized by twining herbaceous vines, shrubs, and trees having alternate, simple, or compound leaves, funnel-shaped, often showy flowers, and fruit in the form of a berry or capsule, and including bindweed, dodder, moonflower, morning glory, and sweet potato.
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.
naturalistic fallacy — the supposed fallacy of inferring evaluative conclusions from purely factual premises
new zealand fur seal — an Australasian seal, Arctocephalus forsteri
normal magnification — the magnification produced by a telescope or microscope such that the diameter of the exit pupil of the instrument is equal to the diameter of the pupil of the eye.
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.
north atlantic drift — an ocean current flowing NE toward the British Isles, formed by the convergence of the Gulf Stream and the Labrador Current SE of Newfoundland.
northern leaf blight — a disease of corn caused by the fungus Exsherohilum turcicum, characterized by elongate tan-gray elliptical spots with subsequent blighting and necrosis of leaves.
olfactory anesthesia — absence or loss of the sense of smell.
on the factory floor — in a factory; as a factory worker
order bill of lading — a bill of lading that is issued to the order of a shipper or consignee for delivery of the goods and that can be transferred by endorsement to third parties.
paper qualifications — qualifications gained through official examinations, etc, rather than through experience
pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
partial differential — an expression obtained from a given function of several variables by taking the partial derivative with respect to one of the variables and multiplying by the increment in that variable.
patent foramen ovale — a congenital heart defect resulting from failure of the foramen ovale to close shortly after birth.
paternal grandfather — the father of someone's father
permonosulfuric acid — persulfuric acid (def 1).
potential difference — voltage
probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
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.
refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
second earl of essex — 2nd Earl of, Devereux, Robert.
self-differentiating — to form or mark differently from other such things; distinguish.
sergeant first class — a noncommissioned officer ranking next above a staff sergeant and below a first or master sergeant.
snowflake generation — the generation of people who became adults in the 2010s, viewed as being less resilient and more prone to taking offence than previous generations
snows of kilimanjaro — a short story (1936) by Ernest Hemingway.
solitary confinement — the confinement of a prisoner in a cell or other place in which he or she is completely isolated from others.
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
the legal profession — the profession of law
there is no call for — If you say that there is no call for someone to behave in a particular way, you are criticizing their behaviour, usually because you think it is rude.
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.
to fall on deaf ears — If a request falls on deaf ears or if the person to whom the request is made turns a deaf ear to it, they take no notice of it.
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.

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