13-letter words containing s, a, p, g, o
- sphagnologist — a person who studies sphagna
- sphagnum moss — Botany
- splanchnology — the visceral system
- sporting lady — a prostitute.
- sportscasting — the reporting of a sports event by radio or television broadcast.
- 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
- stereographer — a person who takes stereoscopic photographs.
- stoppage time — In soccer and some other sports, stoppage time is the period of time that is added to the end of a game because play was stopped during the game as a result of, for example, injuries to players.
- stork parking — spaces reserved in a parking lot for cars driven by pregnant women or new mothers.
- superorganism — a form of life composed of mutually interdependent parts that maintain various vital processes.
- superregional — involving many regions
- symbolography — the writing of symbolic characters or tracing of symbolic figures
- taphrogenesis — the process of forming rifts, resulting in regional faulting and subsidence
- to go apeshit — to become crazy, enraged, or out of control
- toxicophagous — poison-eating
- trainspotting — hobby: observing trains
- vagodepressor — decreasing or mimicking the decrease of the activity of the vagus nerve.
- watering spot — watering hole
- weapons-grade — Weapons-grade substances such as uranium or plutonium are of a quality which makes them suitable for use in the manufacture of nuclear weapons.
- work stoppage — the collective stoppage of work by employees in a business or an industry to protest working conditions.
- zoosporangium — a sporangium or spore case in which zoospores are produced.
- zygapophyseal — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.
- zygosporangia — a sporangium that bears a zygospore.