12-letter words containing f, i, x
- retroflexion — a bending backward.
- self-excited — noting a generator with magnets that are excited by the current it produces.
- semiflexible — moderately or somewhat flexible.
- sixth former — student: 16-18
- sixty-fourmo — a book size (about 2 × 3 inches; 5 × 7 cm) determined by printing on sheets folded to form 64 leaves or 128 pages.
- sixty-fourth — next after the sixty-third; being the ordinal number for 64.
- stuffing box — a device for preventing leakage of gases or liquids along a moving rod or shaft at the point at which it leaves a cylinder, tank, ship hull, etc.
- the fair sex — women collectively
- toxic effect — an adverse effect of a drug produced by an exaggeration of the effect that produces the therapeutic response
- windfall tax — a tax levied on an organization considered to have made excessive profits, esp a privatized utility company that has exploited a monopoly