17-letter words containing a, s, i, n, f, l
- self-renunciation — renunciation of one's own will, interests, etc.
- self-satisfaction — a usually smug satisfaction with oneself, one's achievements, etc.
- self-significance — importance; consequence: the significance of the new treaty.
- semi-professional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
- separating funnel — a large funnel having a tap in its output tube, used to separate immiscible liquids
- silk manufacturer — a person or business that is involved in the manufacture of silk thread and fabric
- sinus of valsalva — any of the pouches of the aorta and the pulmonary artery opposite the flaps of the semilunar valves into which blood returning to the heart flows, closing the valves.
- south farmingdale — a town on central Long Island, in SE New York.
- spanish influenza — the pandemic respiratory infection that spread throughout the world during 1917–18.
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- spoonbill catfish — flathead catfish.
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- the final whistle — a blast on a referee's whistle to indicate that a game is over
- the life and soul — a person regarded as the main source of merriment and liveliness
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- unofficial strike — a strike that is not approved by the strikers' trade union
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- ventilation shaft — a shaft in a mine, tunnel, or building used for providing ventilation or fresh air
- wallis and futuna — French overseas territory in the South Pacific, northeast of the Fiji Islands: it consists of two groups of islands (Wallis Islands and Futuna Islands): c. 106 sq mi (275 sq km); pop. 14,000
- welfare economics — a branch of economics concerned with improving human welfare and social conditions chiefly through the optimum distribution of wealth, the relief or reduction of unemployment, etc.