13-letter words containing s, p, r, o, g
- sponge rubber — a light, spongy rubber, usually prepared by bubbling carbon dioxide through or whipping air into latex, used for padding, insulation, gaskets, etc.; foam rubber.
- sporting lady — a prostitute.
- sports ground — an area of land where sports are played
- sportscasting — the reporting of a sports event by radio or television broadcast.
- sportswriting — the work of a sports writer
- spot reducing — the usually futile effort to exercise one part of the body, as the thighs, in hopes of reducing the amount of fat stored in that area.
- 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.
- spruce grouse — a grouse, Canachites canadensis, of coniferous forests of northern North America, that feeds on evergreen buds and needles.
- spurious wing — alula (def 1).
- 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
- stereographer — a person who takes stereoscopic photographs.
- 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
- supersurgeons — highly skilled surgeon
- support group — a group of people who meet regularly to support or sustain each other by discussing problems affecting them in common, as alcoholism or bereavement.
- symbolography — the writing of symbolic characters or tracing of symbolic figures
- taphrogenesis — the process of forming rifts, resulting in regional faulting and subsidence
- thigmotropism — oriented growth of an organism in response to mechanical contact, as a plant tendril coiling around a string support.
- torsion group — a group in which every element has finite order.
- trainspotting — hobby: observing trains
- unprogressive — favoring or advocating progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters: a progressive mayor.
- unpromisingly — in a manner that is not showing any promise of favourable development or future success
- uprighteously — in an upright or moral manner
- vagodepressor — decreasing or mimicking the decrease of the activity of the vagus nerve.
- volute spring — a coil spring, conical in shape, extending in the direction of the axis of the coil.
- 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.
- women's group — A women's group is a group of women who meet regularly, usually in order to organize campaigns.
- work stoppage — the collective stoppage of work by employees in a business or an industry to protest working conditions.
- workingperson — a workingman or workingwoman.
- zoosporangium — a sporangium or spore case in which zoospores are produced.
- zygosporangia — a sporangium that bears a zygospore.