13-letter words containing s, p, a, i, n
- specification — the act of specifying.
- specimen page — a page regarded as typical of pages of its type, esp one produced by a typesetter or designer to show an example of the typesetting for a book
- spectral line — a line in a spectrum due to the absorption or emission of light at a discrete frequency.
- speech island — a speech community that is completely surrounded by another, usually larger, speech community.
- speech making — act of addressing the public formally
- speechreading — the act or process of determining the intended meaning of a speaker by utilizing all visual clues accompanying speech attempts, as lip movements, facial expressions, and bodily gestures, used especially by people with impaired hearing.
- speed dialing — to dial (a telephone number) using speed dial.
- speed reading — a method of reading faster than normal, esp by skimming
- speed skating — ice skating as a form of racing, usually on an oval course and against other competitors or the clock.
- speed walking — power walking.
- spenta mainyu — the good and creative spirit that is the offspring of Ahura Mazda.
- sperm washing — a technique that separates sperm from the seminal fluid, used especially for isolating active sperm for artificial insemination.
- spermatangium — the organ that produces spermatia in red algae.
- spermatogenic — relating to the development of spermatozoa
- spermatotoxin — spermotoxin.
- sperry univac — (company) One of the divisions of Sperry Corporation at the time that company merged with the Burroughs Corporation to form Unisys Corporation.
- sphagnicolous — growing in moss
- sphagnologist — a person who studies sphagna
- spice islands — the Moluccas
- spinal column — the series of vertebrae in a vertebrate animal forming the axis of the skeleton and protecting the spinal cord; spine; backbone.
- spindleshanks — spindlelegs.
- spine-bashing — to rest; loaf.
- spiral casing — a spiral passage for directing the water from a penstock around a water turbine and into the rotor.
- spiral nebula — (formerly) a spiral galaxy.
- spiral spring — a form of spring consisting of a wire coiled in a helix.
- splenial bone — a small bone in the lower jaw of some animals, such as reptiles and birds
- splitting adz — a heavy stone tool used by prehistoric peoples in northwestern North America and northeastern Asia.
- 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 a leak — to develop a leak
- spring beauty — any American spring plant belonging to the genus Claytonia, of the purslane family, especially C. virginica, having an elongated cluster of white flowers tinged with pink.
- spring valley — a city in SW California, near San Diego.
- 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.
- spying charge — an accusation of having taken part in espionage
- stader splint — a splint consisting of an adjustable metal rod with a steel pin at either end for insertion in the bone above and below a fracture.
- staff captain — a person who assists the master of a large ocean passenger vessel, being especially responsible for safety apparatus, fire and lifeboat drills, etc.
- stamp machine — a machine used for stamping documents, as with the time, etc
- stand up with — to act as a wedding attendant to
- standard lisp — A subset of Lisp 1.5 developed by A. Hearn primarily for implementing REDUCE. It was replaced by Portable Sandard LISP.
- 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.
- standing jump — a jump performed from a stationary position without a run-up
- starting post — the upright pole marking the beginning of a racecourse
- statesmanship — the ability, qualifications, or practice of a statesman; wisdom and skill in the management of public affairs.