13-letter words containing a, n, o, p, s, i
- 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
- spinal column — the series of vertebrae in a vertebrate animal forming the axis of the skeleton and protecting the spinal cord; spine; backbone.
- 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
- 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 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.
- 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.
- 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.
- 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
- supplantation — to take the place of (another), as through force, scheming, strategy, or the like.
- suppositional — the act of supposing.
- 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.
- synaposematic — relating to synaposematism
- synophthalmia — cyclopia.
- syphilization — the act of syphilizing
- taphrogenesis — the process of forming rifts, resulting in regional faulting and subsidence
- tax inspector — a government official whose job is to make sure that people and companies are paying the right amount of tax
- temporariness — lasting, existing, serving, or effective for a time only; not permanent: a temporary need; a temporary job.
- terminal post — A terminal post is the terminal on a battery to which the battery lead is attached.
- terpsichorean — pertaining to dancing.