12-letter words containing r, f, c
- subfactorial — the number of ways a group of objects can be arranged so that none of the objects are in their original or correct place
- subreference — a secondary reference
- suffruticose — woody at the base and herbaceous above.
- surf casting — the act, technique, or sport of fishing by casting from the shoreline into the sea, usually using heavy-duty tackle.
- surface area — the total area on the surface of a three-dimensional figure
- surface mail — the system, especially a government postal system, of sending mail by truck, train, or boat, as opposed to airmail.
- surface road — a road or street level with its surroundings: surface roads and elevated highways.
- surface wave — a seismic wave that travels along or parallel to the earth's surface (distinguished from body wave).
- swiss-french — of or relating to a person from French-speaking Switzerland
- synchroflash — of or relating to photography employing a device that synchronizes the photoflash with the shutter.
- take care of — a state of mind in which one is troubled; worry, anxiety, or concern: He was never free from care.
- terrifically — extraordinarily great or intense: terrific speed.
- testificator — a person who witnesses
- the flickers — the cinema
- thiosulfuric — of or derived from thiosulfuric acid.
- tick trefoil — any of numerous plants belonging to the genus Desmodium, of the legume family, having trifoliolate leaves and jointed pods with hooked hairs by which they adhere to objects.
- tickler file — a file consisting of memoranda, notices, electronic signals, or the like that serves to remind the user of matters that must be attended to.
- torrefaction — to subject to fire or intense heat; parch, roast, or scorch.
- trace fossil — a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
- tracker fund — finance: type of savings account
- tractor feed — Computers. a mechanism for aligning and transporting paper for a printer by means of pins that catch in perforations along the edges of the paper.
- traffic cone — conical road markers
- traffic duty — an assignment to help the flow of traffic and enforce traffic regulations
- traffic sign — notice to vehicles
- transfection — the insertion into a cell of a bacterial plasmid that contains a foreign virus or genetic material.
- transference — the act or process of transferring.
- transpacific — passing or extending across the Pacific.
- trefoil arch — an arch with cusplike intrados.
- trench fever — a recurrent fever, often suffered by soldiers in trenches in World War I, caused by a rickettsia transmitted by the body louse.
- trench knife — a short knife for stabbing, sometimes equipped with brass knuckles as a guard, used in modern warfare in hand-to-hand combat.
- trifurcation — to divide into three forks or branches.
- trinacriform — three-pronged
- turf dancing — a fluid style of street-dancing originating in the Bay Area of San Francisco, California
- ultracareful — extremely or especially careful
- unartificial — not showing art or skill; not skilled or artistic
- uncalled for — not called for; not required; superfluous; unwanted.
- uncalled-for — not called for; not required; superfluous; unwanted.
- uncheerfully — without cheerfulness; in an uncheerful manner
- uncomforting — affording comfort or solace.
- unconforming — to act in accordance or harmony; comply (usually followed by to): to conform to rules.
- unconformity — lack of conformity; incongruity; inconsistency.
- unconfronted — to face in hostility or defiance; oppose: The feuding factions confronted one another.
- underspecify — to mention or name specifically or definitely; state in detail: He did not specify the amount needed.
- undersurface — underside; bottom surface.
- unfabricated — to make by art or skill and labor; construct: The finest craftspeople fabricated this clock.
- unforecasted — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
- unfranchised — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- unfructified — to bear fruit; become fruitful: With careful tending the plant will fructify.
- ungracefully — in an ungraceful manner
- unifactorial — of or relating to a single gene.