20-letter words containing f, e, l, t

ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
royal air force list — an official list of all serving commissioned officers of the RAF and reserve officers liable for recall
sb's future lies swh — If you say that someone's future lies in a particular place or activity, you think they will be most successful or happy in that place or doing that activity.
scientific socialism — Marxist socialism
second law of motion — any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of the forces acting on a body is equal to the product of the mass of the body and the acceleration produced by the forces, with motion in the direction of the resultant of the forces (second law of motion) or the law that for every force acting on a body, the body exerts a force having equal magnitude and the opposite direction along the same line of action as the original force (third law of motion or law of action and reaction)
see the light of day — come into being
see with half an eye — the organ of sight, in vertebrates typically one of a pair of spherical bodies contained in an orbit of the skull and in humans appearing externally as a dense, white, curved membrane, or sclera, surrounding a circular, colored portion, or iris, that is covered by a clear, curved membrane, or cornea, and in the center of which is an opening, or pupil, through which light passes to the retina.
self-belaying system — (in climbing) equipment used to pay out rope as required and thus enable a climber to self-belay
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
sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
sodium metabisulfite — Sodium metabisulfite is a crystalline compound used as an antioxidant.
soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
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.
split the difference — the state or relation of being different; dissimilarity: There is a great difference between the two.
squirrel's-foot fern — ball fern.
staff of aesculapius — a representation of a forked staff with an entwining serpent, used as a symbol of the medical profession and as the insignia of the American Medical Association and other medical organizations. Compare caduceus (def 2).
stefan-boltzmann law — the law stating that the total energy radiated from a blackbody is proportional to the fourth power of its absolute temperature.
strike off the rolls — to expel from membership
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 beautiful people — rich, fashionable people in international high society
the legal profession — the profession of law
the like(s) of which — If you refer to something the like of which or the likes of which has never been seen before, you are emphasizing how important, great, or noticeable the thing is.
the luck of the draw — If you say that something is the luck of the draw, you mean that it is the result of chance and you cannot do anything about it.
the sum total of sth — all of something
the-lady-of-the-lake — a narrative poem (1810) by Sir Walter Scott.
theory of relativity — relativity (def 2).
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.
theresa of avila, st — Saint. Also, Teresa. Also called Theresa of Avila [ah-vee-lah] /ˈɑ viˌlɑ/ (Show IPA), 1515–82, Spanish Carmelite nun, mystic, and writer.
thomas of erceldoune — Thomas of, Thomas of Erceldoune.
thorn in one's flesh — a sharp excrescence on a plant, especially a sharp-pointed aborted branch; spine; prickle.
to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
to come to full term — to be carried or last until the ninth month of gestation or pregnancy
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.
to flex your muscles — If a group, organization, or country flexes its muscles, it does something to impress or frighten people, in order to show them that it has power and is considering using it.
to flog a dead horse — If you say that someone is flogging a dead horse, you mean that they are trying to achieve something impossible.
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.
to shake like a leaf — If you say that someone is shaking like a leaf, you mean that their body is shaking a lot, for instance because they are very cold or frightened.
treaty of versailles — the treaty of 1919 imposed upon Germany by the Allies (except for the US and the Soviet Union): the most important of the five peace treaties that concluded World War I
trumpet call for sth — a signal for something
turn over a new leaf — one of the expanded, usually green organs borne by the stem of a plant.
twilight of the gods — Götterdämmerung.
unemployment benefit — an allowance of money paid, usually weekly, to an unemployed worker by a state or federal agency or by the worker's labor union or former employer during all or part of the period of unemployment.
unemployment figures — statistics relating to the number of people who are out of work
unified field theory — electroweak theory.
universal quantifier — a quantifier indicating that the sentential function within its scope is true for all values of any variable included in the quantifier.
until further notice — If a situation is said to exist until further notice, it will continue for an uncertain length of time until someone changes it.

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