18-letter words containing i, n, f, r, m
- 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-advertisement — a paid announcement, as of goods for sale, in newspapers or magazines, on radio or television, etc.
- self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- self-determination — determination by oneself or itself, without outside influence.
- self-disparagement — the act of disparaging.
- self-entertainment — the act of entertaining; agreeable occupation for the mind; diversion; amusement: Solving the daily crossword puzzle is an entertainment for many.
- self-incriminating — serving to incriminate oneself or to expose oneself to prosecution: self-incriminating testimony.
- self-incrimination — the act of incriminating oneself or exposing oneself to prosecution, especially by giving evidence or testimony.
- self-mortification — the inflicting of pain or privation on oneself: He was certain that self-mortification was the only road to salvation.
- self-recrimination — the act of recriminating, or countercharging: Hope gave way to recrimination with both sides claiming the moral high ground.
- senior aircraftman — 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
- spirits of ammonia — a 10% solution of ammonia in alcohol
- 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.
- stirling's formula — a relation that approximates the value of n factorial (n!), expressed as .
- strait of magellan — a strait between the mainland of S South America and Tierra del Fuego, linking the S Pacific with the S Atlantic. Length: 600 km (370 miles). Width: up to 32 km (20 miles)
- subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
- sugarloaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
- thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
- transfinite number — an infinite cardinal or ordinal number.
- transmission shaft — a shaft that rotates transmitting motion from the engine to the differential gear
- transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
- tsaratanana massif — a mountain range in N Madagascar. Highest peak, 9436 feet (2876 meters).
- tune someone grief — to annoy or harass someone
- 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.
- vermiform appendix — a narrow, blind tube protruding from the cecum, having no known useful function, in humans being 3 to 4 inches (8 to 10 cm) long and situated in the lower right-hand part of the abdomen.
- vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
- wingback formation — single wingback formation.
- writ of attachment — a document by which a court orders the seizing of property in order to ensure satisfaction of a judgement
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust