13-letter words containing p, a, r, o
- spermatophore — a capsule surrounding a mass of spermatozoa, produced by the male of various animal species and transferred to the female.
- spermatophyte — any of the Spermatophyta, a primary division or group of plants comprising those that bear seeds.
- spermatorrhea — abnormally frequent and involuntary nonorgasmic emission of semen.
- 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.
- sports jacket — a jacket, often of textured wool or colorful pattern, with a collar, lapels, long sleeves, and buttons in the front, cut somewhat fuller than the jacket of a business suit, worn with slacks for informal occasions.
- 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.
- spotted adder — milk snake.
- spotted crake — a Eurasian rail, Porzana porzana, of swamps and marshes, having a buff speckled plumage and dark brown wings
- spotter plane — an aircraft used in observing enemy movements or the accuracy of fire on a target
- 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
- state trooper — a member of a U.S. state police force.
- status report — statement or update
- staying power — ability or strength to last or endure; endurance; stamina.
- steganography — the practice of concealing messages in such a way that only the sender and the recipient know that there is a message
- 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
- stereographer — a person who takes stereoscopic photographs.
- 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.
- stone parsley — a parsley, Sison amomum, of Eurasia, bearing aromatic seeds that are used as a condiment.
- stork parking — spaces reserved in a parking lot for cars driven by pregnant women or new mothers.
- stratospheric — relating to the stratosphere
- streptocarpus — any of various plants belonging to the genus Streptocarpus, of the gesneria family, native to Africa and Asia, having showy white, pink, or purplish flowers and often cultivated as a houseplant.
- 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
- sulphonylurea — an antidiabetic drug used in treating type II diabetes, which acts by stimulating the production of insulin in the pancreas
- supercautious — very or extremely cautious
- supercolossal — greater than colossal, huge, enormous
- supercolumnar — existing above a column or columns: a supercolumnar feature.
- 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.
- superpersonal — characteristic of a superperson