13-letter words containing a, p, r, o, s, i
- space tourism — travel into space for recreational purposes
- spadicifloral — having flowers borne on a spadix
- spanish broom — a spiny, often leafless shrub, Genista hispanica, of the legume family, native to southern Europe, having clustered, golden-yellow flowers and hairy pods.
- spark erosion — a method of machining using a shaped electrode which erodes the workpiece by an electric spark discharge between itself and the workpiece
- special offer — bargain
- special order — A special order is an extra order or an order for an item specially requested by a customer.
- special-order — to obtain by specific individual order: to special-order a dining-room chandelier.
- spectatorship — the state of being a spectator
- spermatogenic — relating to the development of spermatozoa
- spermatotoxic — spermotoxic.
- spermatotoxin — spermotoxin.
- 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.
- sporting lady — a prostitute.
- sportscasting — the reporting of a sports event by radio or television broadcast.
- sportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- sportsmanship — the character, practice, or skill of a sportsman.
- 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.
- standing crop — the totality of living things in an ecosystem at a given time.
- starting post — the upright pole marking the beginning of a racecourse
- 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
- 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.
- stork parking — spaces reserved in a parking lot for cars driven by pregnant women or new mothers.
- stratospheric — relating to the stratosphere
- streptokinase — an enzyme used to dissolve blood clots.
- strip cartoon — A strip cartoon is the same as a comic strip.
- strophiolated — having strophioles, caruncles
- 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.
- subtropically — in the subtropics
- supercautious — very or extremely cautious
- 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.
- superloyalist — a fanatically loyal supporter (esp of a political party)
- supermajority — a majority that must represent some percentage more than a simple majority.
- 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.
- 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
- supralittoral — of or relating to the biogeographic region of a shore of a lake, sea, or ocean permanently above water but made damp by spray from waves or by capillarity of the substrate.
- supranational — outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.
- suprarational — not understandable by reason alone; beyond rational comprehension.
- taphrogenesis — the process of forming rifts, resulting in regional faulting and subsidence