15-letter words containing p, o, s, e, r
- speech disorder — an inability to produce normal speech
- speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
- spelling reform — an attempt to change the spelling of English words to make it conform more closely to pronunciation.
- spermatoblastic — relating to a spermatoblast
- spermatogenesis — the origin and development of spermatozoa.
- sphaerosiderite — a type of siderite
- spheroidization — the conversion of grains into spheroids
- spinous process — a spinelike process of a bone, especially the dorsal projection from the center of the arch of a vertebra.
- spiny cocklebur — a cocklebur, Xanthium spinosum, introduced into North America from Europe.
- spiral notebook — a notebook held together by a coil of wire passed through small holes punched at the back edge of the covers and individual pages
- spirits of wine — alcohol (def 1).
- spirochaetaemia — the presence of spirochaetes in the blood
- splanchnopleure — the double layer formed by the association of the lower layer of the lateral plate of mesoderm with the underlying entoderm, which develops into the embryonic viscera.
- sport one's oak — to shut this door as a sign one does not want visitors
- sporting chance — an even or fair opportunity for a favorable outcome in an enterprise, as winning in a game of chance or in any kind of contest: They gave the less experienced players a sporting chance by handicapping the experts.
- sports medicine — a field of medicine concerned with the functioning of the human body during physical activity and with the prevention and treatment of athletic injuries.
- sports reporter — journalist who covers sports events
- spread the word — make others aware
- st. christopher — Saint, died a.d. c250, Christian martyr.
- steak au poivre — pepper steak (def 2).
- stereotypically — in a stereotypical manner
- stilpnosiderite — a resinous variety of limonite with a black-brown colour
- stop-loss order — an order from a customer to a broker to sell a security if the market price drops below a designated level.
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- streptobacillus — any of various bacilli that form in chains.
- stress position — an enforced body position, applied esp in the interrogation of detainees, which causes the victim pain by concentrating a large amount of his or her weight on a small number of muscles, joints, etc
- stretch a point — a sharp or tapering end, as of a dagger.
- studhorse poker — stud poker.
- styloid process — a long, spinelike process of a bone, especially the projection from the base of the temporal bone.
- subject pronoun — pronoun in nominative case
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subprofessional — being below professional standards: subprofessional health care.
- subreptitiously — in a subreptitious manner
- substratosphere — the upper troposphere.
- 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.
- sully-prudhomme — René François Armand [ruh-ney frahn-swa ar-mahn] /rəˈneɪ frɑ̃ˈswa arˈmɑ̃/ (Show IPA), 1839–1907, French poet: Nobel prize 1901.
- sulphinpyrazone — a uricosuric drug with molecular formula C23H20N2O3S, used in the treatment of chronic gout
- sulphur dioxide — a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2
- super-committee — a committee with members from two or more organizations or political groups
- superconfidence — great or extreme confidence, overconfidence
- superconvenient — highly convenient
- superexaltation — extreme or supreme exaltation; the act of superexalting; the process or condition of being superexalted
- superexcitation — the act of exciting.
- superfluousness — being more than is sufficient or required; excessive.
- supergovernment — a centralized organization formed by a group of governments to enforce justice or maintain peace.
- superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
- superimposition — to impose, place, or set over, above, or on something else.
- superinvolution — an act or instance of involving or entangling; involvement.
- superior planet — any of the five planets whose orbits are outside the orbit of the earth, namely, the planets Mars, Jupiter, Saturn, Uranus, and Neptune.
- superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.