13-letter words containing f, i, g, u, r
- sulfur spring — a spring the water of which contains naturally occurring sulfur compounds.
- surfing music — rock-'n'-roll music from California in the early 1960s, characterized by close treble harmonies and with lyrics emphasizing the exhilaration of surfing and beach life.
- trade figures — a record of how much a country has paid for goods which it has bought from other countries, compared with how much it has been paid for goods which it has sold to other countries
- trig function — Also called circular function. a function of an angle, as sine or cosine, expressed as the ratio of the sides of a right triangle.
- triple figure — a number made up of three digits.
- trout fishing — angling to catch trout
- understaffing — the condition of being understaffed or of lacking a number of employees
- unfalteringly — to hesitate or waver in action, purpose, intent, etc.; give way: Her courage did not falter at the prospect of hardship.
- unforthcoming — coming, forth, or about to come forth; about to appear; approaching in time: the forthcoming concert.
- working fluid — a liquid or gaseous working substance.