15-letter words containing d, e, a, s, p, o
- sostenuto pedal — a pedal on a grand piano that raises the dampers, allowing the tone to be sustained for those strings struck at the time the pedal is depressed.
- special edition — newspaper, magazine: extra issue
- speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
- spell a paddock — to give a field a rest period by letting it lie fallow
- sphaerosiderite — a type of siderite
- spheroidization — the conversion of grains into spheroids
- spotted cowbane — a North American water hemlock, Cicuta maculata, of the parsley family, having a purple-mottled stem, white flowers, and deadly poisonous, tuberlike roots.
- spread the word — make others aware
- stand-up comedy — telling jokes to an audience
- superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
- sweep the board — (in gambling) to win all the cards or money
- to sow gapeseed — to stare in a gaping manner instead of attending to business
- transportedness — the quality or state of being carried away with pleasure or rapture
- trapdoor spider — any of various, often large, spiders (esp. family Ctenizidae) that dig a burrow and cover the entrance with a hinged lid like a trapdoor
- undercompensate — to compensate or pay less than is fair, customary, or expected.
- unsophisticated — not sophisticated; simple; artless.