12-letter words containing p, o, t, e, s, a
- somatopleure — the double layer formed by the association of the upper layer of the lateral plate of mesoderm with the overlying ectoderm, functioning in the formation of the body wall and amnion.
- sophisticate — a sophisticated person.
- south platte — a river flowing NE from central Colorado to the Platte River in W Nebraska. 424 miles (683 km) long.
- spatter cone — a low, steep-sided volcanic cone built up of droplets or blobs of lava erupted from a fissure or vent.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- speciational — relating to speciation
- spectatorial — a person who looks on or watches; onlooker; observer.
- spectrograph — a spectroscope for photographing or producing a representation of a spectrum.
- speedboating — the act, practice, or sport of traveling in a speedboat.
- spermatocele — a swelling of the testicle
- spermatocide — spermicide.
- spermatocyte — a male germ cell (primary spermatocyte) that gives rise by meiosis to a pair of haploid cells (secondary spermatocytes) that give rise in turn to spermatids.
- spermatozoid — a motile male gamete produced in an antheridium.
- spermatozoon — one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.
- sphacelation — the process of mortification
- spirochaetal — resulting from spirochaetes
- spit-roasted — cooked on a spit
- splenization — the transformation of something into a spleenlike tissue
- sport jacket — A sport jacket is the same as a sport coat.
- sportscaster — A sportscaster is a radio or television broadcaster who describes or comments on sporting events.
- spotted cavy — paca.
- spotted tail — (Sinte-galeshka) 1833?–81, Brulé Sioux leader.
- stage pocket — one of several metal boxes placed backstage in the floor (floor pocket) or wall of a theater and containing jacks for electric cables used in lighting units.
- stanley pool — a lake between the Democratic Republic of Congo and Congo-Brazzaville, formed by a widening of the River Congo. Area: 829 sq km (320 sq miles)
- stapedectomy — a microsurgical procedure to relieve deafness by replacing the stapes of the ear with a prosthetic device.
- state police — a police force under state authority rather than under the authority of a city or county in the state.
- state prison — a prison maintained by a state for the confinement of felons.
- statesperson — a statesman or stateswoman, a respected senior politician
- stauropegion — (in an autocephalous church) a monastery subject directly to the primate.
- steatopygous — extreme accumulation of fat on and about the buttocks, especially of women.
- steganograph — a piece of coded writing; cipher
- stegocarpous — (of a moss) belonging to the division Stegocarpi, having an operculate capsule
- stenographer — a person who specializes in taking dictation in shorthand.
- stenographic — the art of writing in shorthand.
- stenophagous — (of an animal) feeding on a limited variety of foods (opposed to euryphagous).
- stereography — the art of delineating the forms of solid bodies on a plane.
- stereoptican — a projector usually consisting of two complete lanterns arranged so that one picture appears to dissolve while the next is forming.
- stipulaceous — of, relating to, having, resembling, or living on stipules
- stop payment — an order by the drawer of a check to his or her bank not to pay a specified check.
- stratosphere — the region of the upper atmosphere extending upward from the tropopause to about 30 miles (50 km) above the earth, characterized by little vertical change in temperature.
- strep throat — an acute sore throat caused by hemolytic streptococci and accompanied by fever and prostration.
- strepitation — the quality or state of being strepitant
- stride piano — a style of jazz piano playing in which the right hand plays the melody while the left hand plays a single bass note or octave on the strong beat and a chord on the weak beat, developed in Harlem during the 1920s, partly from ragtime piano playing.
- strophiolate — having a strophiole
- stupefaction — the state of being stupefied; stupor.
- supererogate — to do more than duty requires.
- superfrontal — a piece of cloth placed over an altar and frontal and hanging down a few inches over the front of the altar
- superovulate — to produce more than the normal number of ova at one time, as through hormone treatment.
- superpatriot — a person who is patriotic to an extreme.
- superstardom — a person, as a performer or athlete, who enjoys wide recognition, is esteemed for exceptional talent, and is eagerly sought after for his or her services.