15-letter words containing r, e, p, u
- snapping turtle — either of two large, edible, freshwater turtles of the family Chelydridae, of North and Central America, having a large head and powerful hooked jaws, especially the common snapping turtle, Chelydra serpentina.
- sodium peroxide — a yellowish-white, hygroscopic, water-soluble powder, Na 2 O 2 , used chiefly as a bleaching agent and as an oxidizing agent.
- southern paiute — See under Paiute (def 2).
- special feature — an article differing from the normal format and focusing on a particular topic
- 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.
- 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.
- static pressure — the pressure exerted by a fluid that is not moving or flowing.
- steak au poivre — pepper steak (def 2).
- stiff upper lip — stoicism
- stirrup leather — the strap that holds the stirrup of a saddle.
- streptobacillus — any of various bacilli that form in chains.
- studhorse poker — stud poker.
- 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
- super-efficient — performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient assistant.
- super-sexuality — sexual character; possession of the structural and functional traits of sex.
- superabundantly — very or too abundantly
- superbureaucrat — an important or highly powerful bureaucrat
- superconfidence — great or extreme confidence, overconfidence
- superconvenient — highly convenient
- superefficiency — the quality or condition of being superefficient
- superexaltation — extreme or supreme exaltation; the act of superexalting; the process or condition of being superexalted
- superexcellence — extreme or supreme excellence; the quality of being superexcellent
- superexcitation — the act of exciting.
- superficialness — being at, on, or near the surface: a superficial wound.
- superfluousness — being more than is sufficient or required; excessive.
- supergiant star — Astronomy. an exceptionally luminous star whose diameter is more than 100 times that of the sun, as Betelgeuse or Antares.
- 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.
- superindividual — greater than the individual
- superintendence — a district or place under a superintendent.
- superintendency — a district or place under a superintendent.
- 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.
- supernaturalism — supernatural character or agency.
- supernaturalist — supernatural character or agency.
- supernaturality — the quality or state of being supernatural; supernaturalism.
- supernaturalize — to make supernatural; give supernatural character or qualities to.
- superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
- superparasitism — the parasitic deposit of eggs on a host already parasitized by a different member of the same species