18-letter words containing f, a, r, l, u, n
- percussion flaking — a method of forming a flint tool by striking flakes from a stone core with another stone or a piece of bone or wood.
- population figures — population totals; statistics relating to the size of populations
- presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
- relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
- rule of engagement — a directive issued by a military authority controlling the use and degree of force, especially specifying circumstances and limitations for engaging in combat.
- run in sb's family — If a characteristic runs in someone's family, it often occurs in members of that family, in different generations.
- safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
- sampling frequency — sample rate
- self-instructional — pertaining to or constituting learning materials and conditions arranged so that students can proceed to learn on their own with little or no supervision.
- self-preoccupation — the state of being preoccupied.
- self-raising flour — flour with baking powder
- self-understanding — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
- standoff insulator — a type of insulator that supports an electrical conductor at a distance from other elements or surfaces.
- stirling's formula — a relation that approximates the value of n factorial (n!), expressed as .
- sugarloaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- sulfuric anhydride — sulfur trioxide.
- the full treatment — If you say that someone is given the full treatment, you mean either that they are treated extremely well or that they are treated extremely severely.
- ultralow frequency — an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf.
- universal suffrage — suffrage for all persons over a certain age, usually 18 or 21, who in other respects satisfy the requirements established by law.
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- weak nuclear force — weak interaction
- wildlife sanctuary — an area where wild animals and plants are protected
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust
- xenon hexafluoride — a colorless, crystalline compound, XeF 6 , that melts at 50°C to a yellow liquid, and boils at 75°C.