17-letter words containing s, y, m, p, o
- professional army — an army of trained soldiers
- property mistress — a female member of the stage crew in charge of the stage properties
- protective system — protectionism (def 1).
- psychometric test — a test designed to test a person's mental state, personality and thought processes
- scheme repository — A collection of free Scheme programs.
- shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
- sodium pyroborate — borax1 .
- south sea company — a British joint stock company that traded in South America in the 18th century. The South Sea Company took over the national debt in return for a monopoly of trade with the South Seas, causing feverish speculation in their stocks, and a financial crash in 1720 (the South Sea Bubble)
- spectrophotometry — an instrument for making photometric comparisons between parts of spectra.
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- steamship company — a company which has a fleet of steamships
- suction lipectomy — the removal of fatty tissue by making a small incision in the skin, loosening the fat layer, and withdrawing it by suction.
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- surprise symphony — the Symphony No. 94 in G major (1791) by Franz Josef Haydn.
- to slip your mind — If something slips your mind, you forget it.
- tolpuddle martyrs — six farm workers sentenced to transportation for seven years in 1834 for administering an unlawful oath to form a trade union in the village of Tolpuddle, Dorset
- uncompassionately — having or showing compassion: a compassionate person; a compassionate letter.
- zygomatic process — any of several bony processes that articulate with the cheekbone.