12-letter words containing f, o, r, m, a, c
- modificatory — modifying.
- mother craft — a spaceship providing facilities and supplies for a number of smaller craft, or for astronauts
- no match for — If one person or thing is no match for another, they are unable to compete successfully with the other person or thing.
- olfactometer — a device for estimating the keenness of the sense of smell.
- olfactometry — The study and measurement of smells.
- organic farm — a farm where organic methods are used for agriculture and animal husbandry
- oxford comma — a comma between the final items in a list, often preceding the word 'and' or 'or', such as the final comma in the list newspapers, magazines, and books
- pelecaniform — of, or having the nature of, an order (Pelecaniformes) of swimming birds having all four toes connected in a webbed foot, including pelicans and cormorants
- placentiform — shaped like a placenta, with a flat rounded form
- platform car — a railroad freight car having no enclosing sides or top; a flatcar.
- prime factor — any number in the set of prime numbers that is also a factor of a given integer
- rachmaninoff — Sergei Wassilievitch [sur-gey vuh-seel-yuh-vich;; Russian syir-gyey vuh-syee-lyi-vyich] /sɜrˈgeɪ vəˈsil yə vɪtʃ;; Russian syɪrˈgyeɪ vʌˈsyi lyɪ vyɪtʃ/ (Show IPA), 1873–1943, Russian pianist and composer.
- ramification — the act or process of ramifying.
- reflectogram — an image of an under-drawing or image taken from beneath the surface of paint in a work of art
- roman a clef — a novel that represents historical events and characters under the guise of fiction.
- rotflmaoastc — (chat) Rolling on the floor laughing my ass (or arse) off and scaring the cat. The superlative form of ROTFL.
- stalactiform — resembling or shaped like a stalactite.
- trinacriform — three-pronged