18-letter words containing i, s, o, f, r, m
- school of motoring — a centre where people pay for lessons to learn to drive
- 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-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
- shoot from the hip — the act of shooting with a bow, firearm, etc.
- sixth-form college — (in England and Wales) a college offering A-level and other courses to pupils over sixteen from local schools, esp from those that do not have sixth forms
- smooth fox terrier — a breed of short-haired fox terrier with a mostly white, smooth coat.
- soda-lime feldspar — plagioclase.
- spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- 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)
- 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.
- 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.
- treasury of merits — the superabundant store of merits and satisfactions, comprising those of Christ, the Virgin Mary, and the saints.
- tune someone grief — to annoy or harass someone
- vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust