13-letter words containing p, e, r, i, o
- spider flower — cleome
- spider monkey — any of several tropical American monkeys of the genus Ateles, having a slender body, long, slender limbs, and a long, prehensile tail: some are endangered.
- spider orchid — any of several European orchids of the genus Ophrys, esp O. sphegodes, having a flower with yellow, green, or pink sepals and a broad brown velvety lip
- spinuliferous — relating to a spine or spines
- spiny lobster — any of several edible crustaceans of the family Palinuridae, differing from the true lobsters in having a spiny shell and lacking the large pincers.
- spiritousness — the state of being spiritous
- spirochetosis — a disease caused by infection with a spirochete.
- splendiferous — splendid; magnificent; fine.
- spoiler party — a third political party formed to draw votes away from one of the two major parties, thus spoiling its chance of winning an election.
- sponge finger — sweet finger-shaped biscuit
- sporopollenin — an inert, tough polymer forming the resistant outer coat of a pollen grain or spore.
- sports writer — A sports writer is a journalist who writes about sport.
- sportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- spot reducing — the usually futile effort to exercise one part of the body, as the thighs, in hopes of reducing the amount of fat stored in that area.
- spread option — spread (def 25b).
- spring-loaded — (of a machine part) kept normally in a certain position by a spring: a spring-loaded safety valve.
- springboarded — a flexible board, projecting over water, from which divers leap or spring.
- staying power — ability or strength to last or endure; endurance; stamina.
- step aerobics — a set of aerobic exercises designed to improve the cardiovascular system, which consists of stepping on and off a special box of adjustable height
- stepford wife — a married woman who submits to her husband's will and is preoccupied by domestic concerns and her own personal appearance
- stereotropism — a tropism determined by contact with a solid.
- stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- stratospheric — relating to the stratosphere
- strepsipteron — a strepsipterous insect.
- streptokinase — an enzyme used to dissolve blood clots.
- stripped down — having only essential features; lacking any special appointments or accessories.
- stripped-down — having only essential features; lacking any special appointments or accessories.
- strophiolated — having strophioles, caruncles
- subeditorship — the position or office of a subeditor
- sublime porte — official name of Porte.
- subperiosteal — 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.
- subprime loan — A subprime loan is a loan with a higher interest rate, to borrowers who are a high credit risk.
- successorship — the position or state of a successor
- super-heroine — a woman noted for courageous acts or nobility of character: Esther and other biblical heroines.
- super-tension — the act of stretching or straining.
- supercautious — very or extremely cautious
- supercollider — a very large colliding-beam machine in which superconducting magnets create millions of megavolts of energy.
- superdiplomat — a highly skilled or powerful diplomat, a high-ranking diplomat
- superdominant — submediant.
- superfetation — the fertilization of an ovum in a female mammal already pregnant.
- superior room — A superior room is a room in a hotel that is more comfortable or has better amenities than other rooms.
- superiorities — the quality or condition of being superior.
- superlobbyist — someone who lobbies on behalf of another
- superloyalist — a fanatically loyal supporter (esp of a political party)
- supermajority — a majority that must represent some percentage more than a simple majority.
- supermotility — Biology. moving or capable of moving spontaneously: motile cells; motile spores.
- supernational — tending to involve, or extending authority over, more than one nation; international; supranational.
- superordinary — that is superior to the ordinary
- superordinate — of higher degree in condition or rank.
- superorganism — a form of life composed of mutually interdependent parts that maintain various vital processes.