18-letter words containing f, l, a, n, e
- the bird has flown — the person in question has fled or escaped
- the final solution — the code name used by the Nazis to refer to the plan of mass murder of the Jews
- 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.
- thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- to fall into place — If things fall into place, events happen naturally to produce a situation you want.
- to pull a fast one — If you say that someone has pulled a fast one on you, you mean that they have cheated or tricked you.
- to save one's life — If you say that someone cannot do something to save their life, you are emphasizing that they do it very badly.
- traffic controller — a person whose job is to control the flow of air traffic
- triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
- 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
- wild passionflower — the maypop, Passiflora incarnata.
- wildlife sanctuary — an area where wild animals and plants are protected
- woman of the world — a woman experienced and sophisticated in the ways and manners of the world, especially the world of society.
- xenon hexafluoride — a colorless, crystalline compound, XeF 6 , that melts at 50°C to a yellow liquid, and boils at 75°C.