12-letter words containing s, p, i, r, o
- seismography — the scientific measuring and recording of the shock and vibrations of earthquakes.
- self-proving — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
- self-worship — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
- semi-popular — regarded with favor, approval, or affection by people in general: a popular preacher.
- semiprecious — (of a stone) having commercial value as a gem but not classified as precious, as the amethyst or garnet.
- semitropical — subtropical.
- septentrions — the seven stars of the Plough
- seropositive — showing a significant level of serum antibodies, or other immunologic marker in the serum, indicating previous exposure to the infectious agent being tested.
- serpentiform — shaped like a snake.
- serpentinous — of the nature of serpentine; containing or consisting of serpentine
- servitorship — the office or position of a servitor; the condition of being a servitor
- shadow price — the calculated price of a good or service for which no market price exists
- share option — A share option is an opportunity for the employees of a company to buy shares at a special price.
- ship's store — a retail store aboard a navy ship that sells toiletries, cigarettes, etc., to the ship's personnel.
- shoe repairs — repairs to shoes
- shopbreaking — the act of breaking into a shop
- short splice — a splice used when an increased thickness of the united rope is not objectionable, made by unlaying the rope ends a certain distance, uniting them so that their strands overlap, then tucking each alternately over and under others several times.
- siderography — the art or technique of engraving on steel.
- siderophilic — having characteristics of siderophile
- signal corps — a branch of the army responsible for military communications, meteorological studies, and related work.
- silver point — the melting point of silver, equal to 960.8°C, used as a fixed point on the international temperature scale.
- silver spoon — spoon (def 16).
- simple group — a group that has no normal subgroup except the group itself and the identity.
- sinanthropus — the genus to which Peking man was formerly assigned.
- siphonophore — any pelagic hydrozoan of the order Siphonophora, being a floating or swimming colony composed of polyps.
- skeuomorphic — an ornament or design on an object copied from a form of the object when made from another material or by other techniques, as an imitation metal rivet mark found on handles of prehistoric pottery.
- slip through — be undetected
- slipper foot — an elongated pad foot.
- slipper sock — a sock with a soft leather or vinyl sole sewn onto it, used as indoor footwear.
- sloop-rigged — (of a sailboat) fore-and-aft rigged with a mainsail and a jib.
- soccer pitch — the field of play used in soccer
- sociographic — the branch of sociology that uses statistical data to describe social phenomena.
- soil profile — a vertical succession of horizons, commonly lettered A, B, C (beginning at the surface), that have been subjected to soil-forming processes, chiefly leaching and oxidation.
- somatotropin — a hormone secreted by the anterior pituitary gland, that stimulates growth in humans.
- somers point — a town in SE New Jersey.
- sophomorical — characteristic of a sophomore
- soporiferous — bringing sleep; soporific.
- sparcstation — (computer) A family of workstations from Sun Microsystems based on the SPARC architecture. Models include the SPARCStation 1, 1+, SLC, SPARCStation ELC, IPX, SPARCStation 5, SPARCStation 10 and SPARCStation 20.
- spatiography — the study of the characteristics of space beyond the atmosphere, including the mapping of the movements of celestial bodies and the recording of electrical, magnetic, and gravitational effects, especially those likely to affect missiles and spacecraft.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- specksioneer — a whaler
- spectatorial — a person who looks on or watches; onlooker; observer.
- spermagonium — Botany, Mycology. spermogonium.
- spermatocide — spermicide.
- spermatozoid — a motile male gamete produced in an antheridium.
- spermogonium — one of the cup-shaped or flask-shaped receptacles in which the spermatia of certain fungi and red algae are produced.
- spermophytic — able to produce seed
- spin control — Slang. an attempt to give a bias to news coverage, especially of a political candidate or event.
- spinning rod — a flexible fishing rod, often made of fiberglass, used with a spinning reel.
- spinsterhood — Disparaging and Offensive. a woman still unmarried beyond the usual age of marrying.