13-letter words containing s, n, a, p, o
- spanish onion — a large-sized, mild, succulent onion, often eaten raw.
- spanish topaz — citrine (def 2).
- spark erosion — a method of machining using a shaped electrode which erodes the workpiece by an electric spark discharge between itself and the workpiece
- spastic colon — a chronic condition of recurring abdominal pain with constipation or diarrhoea or both
- specification — the act of specifying.
- spermatogenic — relating to the development of spermatozoa
- spermatotoxin — spermotoxin.
- sphagnicolous — growing in moss
- sphagnologist — a person who studies sphagna
- sphagnum moss — Botany
- spinal column — the series of vertebrae in a vertebrate animal forming the axis of the skeleton and protecting the spinal cord; spine; backbone.
- splanchnocele — a primitive embryonic body cavity
- splanchnology — the visceral system
- splenial bone — a small bone in the lower jaw of some animals, such as reptiles and birds
- spokesmanship — the office or skilful use of the office of spokesman
- spontaneities — the exhibiting of actions, impulses, or behaviour that are stimulated by internal processes
- spontaneously — coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned: a spontaneous burst of applause.
- 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.
- spotted hyena — a long-legged carnivorous doglike mammal native to Africa and S Asia (Crocuta crocuta)
- 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 chop — (in an axemen's competition) a chop with the log standing upright
- 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.
- steganography — the practice of concealing messages in such a way that only the sender and the recipient know that there is a message
- steganopodous — belonging to the Stegandopodes or having all four toes webbed together
- stenopetalous — having narrow petals.
- stock company — Finance. a company or corporation whose capital is divided into shares represented by stock.
- 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.
- streptokinase — an enzyme used to dissolve blood clots.
- strip cartoon — A strip cartoon is the same as a comic strip.
- 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.
- sulphonylurea — an antidiabetic drug used in treating type II diabetes, which acts by stimulating the production of insulin in the pancreas
- supercolumnar — existing above a column or columns: a supercolumnar feature.
- superdominant — submediant.
- superfetation — the fertilization of an ovum in a female mammal already pregnant.
- 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
- superrational — beyond the scope or range of reason; intuitional.