18-letter words containing fi
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- specific viscosity — a measure of the resistance to flow of a fluid, expressed as the ratio of the absolute viscosity of the fluid to that of a reference fluid (usually water in the case of liquids)
- squinting modifier — a word or phrase that can modify either the words that precede it or those that follow, as frequently in the sentence Studying frequently is tedious.
- street certificate — a certificate showing ownership of a specified number of shares of stock: endorsed by the owner and guaranteed by a broker, it may be traded without formal transfer on the books of the corporation issuing the stock.
- sub-classification — to arrange in subclasses.
- sutton-in-ashfield — a market town in N central England, in W Nottinghamshire. Pop: 41 951 (2001)
- the final solution — the code name used by the Nazis to refer to the plan of mass murder of the Jews
- the first sea lord — the senior of the two serving naval officers who sits on the admiralty board of the Ministry of Defence
- 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 find fault with — If you find fault with something or someone, you look for mistakes and complain about them.
- to find one's feet — If you say that someone is finding their feet in a new situation, you mean that they are starting to feel confident and to deal with things successfully.
- traffic controller — a person whose job is to control the flow of air traffic
- transfinite number — an infinite cardinal or ordinal number.
- transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
- transrectification — rectification occurring in one circuit as a result of the application of an alternating voltage to another circuit.
- two-tier financing — a form of lending in which the debt is divided into two separate parts, as in a first and second mortgage held by an individual on a single property
- ultraviolet filter — a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
- 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.
- vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
- vicar of wakefield — a novel (1766) by Goldsmith.
- vitamin deficiency — a lack of a vitamin or vitamins needed for good health
- vote of confidence — expression of trust in sb's abilities
- warrant of fitness — a six-monthly certificate required for motor vehicles certifying mechanical soundness
- yelloweye rockfish — a red rockfish, Sebastes ruberrimus, of waters along the Pacific coast of North America, having eyes that are yellow and possessed of strong, sawlike bony ridges on the head.