13-letter words containing s, p, o, i
- step function — a function that is constant on each of a finite set of subintervals of its domain, the union of the subintervals being the domain.
- step out with — to be a boyfriend or girlfriend of (someone), esp publicly
- stepford wife — a married woman who submits to her husband's will and is preoccupied by domestic concerns and her own personal appearance
- steppingstone — a stone, or one of a line of stones, in shallow water, a marshy place, or the like, that is stepped on in crossing.
- 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.
- stethoscopist — a person who is experienced in the use of a stethoscope
- stevens point — a city in central Wisconsin.
- stock options — an option giving the holder, usually an officer or employee, the right to buy stock of the issuing corporation at a specific price within a stated period.
- stoppage time — In soccer and some other sports, stoppage time is the period of time that is added to the end of a game because play was stopped during the game as a result of, for example, injuries to players.
- stork parking — spaces reserved in a parking lot for cars driven by pregnant women or new mothers.
- stovepipe hat — a tall silk hat.
- stratospheric — relating to the stratosphere
- strepsipteron — a strepsipterous insect.
- streptokinase — an enzyme used to dissolve blood clots.
- strip cartoon — A strip cartoon is the same as a comic strip.
- 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
- sub-political — of, relating to, or concerned with politics: political writers.
- 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.
- subpopulation — the total number of persons inhabiting a country, city, or any district or area.
- subprime loan — A subprime loan is a loan with a higher interest rate, to borrowers who are a high credit risk.
- subtropically — in the subtropics
- 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.
- superposition — the order in which sedimentary strata are superposed one above another.
- superrational — beyond the scope or range of reason; intuitional.
- superreaction — a reverse movement or tendency; an action in a reverse direction or manner.
- superregional — involving many regions
- superromantic — exceptionally romantic
- superstitious — of the nature of, characterized by, or proceeding from superstition: superstitious fears.