18-letter words containing f, u, n, c
- reproduction proof — repro proof.
- sampling frequency — sample rate
- scruff of the neck — If someone takes you by the scruff of the neck, they take hold of the back of your neck or collar suddenly and roughly.
- security of tenure — (in Britain) the right of a tenant to continue to occupy a dwelling or site unless the landlord obtains a court order for possession of the property or termination of the tenancy agreement
- selenium rectifier — a rectifier consisting of laminated plates of metal, usually iron, that have been coated with selenium on one side, with rectification taking place because the flow of electrons from the conductive metal to the selenium occurs more readily than the flow in the opposite direction.
- self-actualization — the achievement of one's full potential through creativity, independence, spontaneity, and a grasp of the real world.
- 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-justification — the act or fact of justifying oneself, especially of offering excessive reasons, explanations, excuses, etc., for an act, thought, or the like.
- self-preoccupation — the state of being preoccupied.
- sequence of tenses — the sequence according to which the tense of a subordinate verb in a sentence is determined by the tense of the principal verb, as in I believe he is lying, I believed he was lying, etc
- shrubby cinquefoil — a small shrub, Potentilla fruticosa, of the rose family, native to the Northern temperate region, having pinnate leaves and numerous, showy, bright-yellow flowers.
- silvery cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.
- six-finger country — an isolated area considered as being inhabited by people who practise inbreeding
- soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
- sub-classification — to arrange in subclasses.
- sub-saharan africa — the region of Africa to the south of the Sahara desert
- subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
- sulfuric anhydride — sulfur trioxide.
- symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
- ultralow frequency — an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf.
- unfair competition — acts done by a seller to confuse or deceive the public with intent to acquire a larger portion of the market, as by cutting prices below cost, misleading advertising, selling a spurious product under a false identity, etc.
- unification church — a religious sect that combines elements of Protestantism and Buddhism, founded by the Rev. Sun Myung Moon in 1954: many of its members live in communes sponsored by the sect.
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- very low frequency — any frequency between 3 and 30 kilohertz. Abbreviation: VLF.
- weak nuclear force — weak interaction
- wildlife sanctuary — an area where wild animals and plants are protected