15-letter words containing f, r, i, e, s, l
- special feature — an article differing from the normal format and focusing on a particular topic
- spelling reform — an attempt to change the spelling of English words to make it conform more closely to pronunciation.
- st. elmo's fire — St. Elmo's fire.
- st. ulmo's fire — St. Elmo's fire.
- starfish flower — carrion flower (def 2).
- stiff upper lip — stoicism
- stocking filler — A stocking filler is a small present that is suitable for putting in a Christmas stocking.
- streamline flow — the flow of a fluid past an object such that the velocity at any fixed point in the fluid is constant or varies in a regular manner.
- strike the flag — to relinquish command, esp of a ship
- strombuliferous — having organs coiled as spirals
- subprofessional — being below professional standards: subprofessional health care.
- sulfite process — a process for making wood pulp by digesting wood chips in an acid liquor consisting of sulfurous acid and a salt, usually calcium bisulfite.
- sulfur trioxide — an irritant, corrosive, low-melting solid, SO 3 , obtained by the oxidation of sulfur dioxide, used as an intermediate in the manufacture of sulfuric acid.
- superficialness — being at, on, or near the surface: a superficial wound.
- sylvian fissure — lateral fissure.
- tentaculiferous — having tentacles
- transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- tray classifier — A tray classifier is a tank for leaching from a dispersed solid, in which pulp at the bottom of the tank is raked (= moved to the exit) while solvent is forced toward the bottom of the tank.
- unfamiliarities — not familiar; not acquainted with or conversant about: to be unfamiliar with a subject.
- unfossiliferous — (of sediment, clay, rock, etc) not containing fossils
- welfare statism — the belief in or practices of a welfare state.
- west nile fever — a viral disease, caused by a flavivirus and spread by a mosquito (Culex pipiens), that results in encephalitis