20-letter words containing c, a, f, o, r, n
- powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.
- probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
- rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
- 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.
- restriction fragment — a length of DNA cut from the strand by a restriction enzyme.
- rotary-wing aircraft — an aircraft, esp a helicopter, that is lifted or propelled by rotating airfoils
- second earl of essex — 2nd Earl of, Devereux, Robert.
- senior aircraftwoman — a rank in the Royal Air Force comparable to that of a private in the army, though not the lowest rank in the Royal Air Force
- sinfonia concertante — a type of concerto for two or more solo instruments accompanied by an orchestra
- solitary confinement — the confinement of a prisoner in a cell or other place in which he or she is completely isolated from others.
- specific performance — (especially in the sale of land) literal compliance with one's contractual promises pursuant to a judicial mandate.
- 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 course of nature — the ordinary course of events
- 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.
- thought transference — transference of thought by extrasensory means from the mind of one individual to another; telepathy.
- too much information — I don't want to hear any more
- toxemia of pregnancy — an abnormal condition of pregnancy characterized by hypertension, fluid retention, edema, and the presence of protein in the urine.
- van der waals forces — weak electrostatic forces between atoms and molecules caused by transient distortions in the distribution of electrons in the interacting atoms or molecules
- 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
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.