16-letter words containing o, a, s, i
- speak one's mind — give one's frank opinion
- spectroheliogram — a photograph of the sun made with a spectroheliograph.
- spinone italiano — one of an Italian breed of large all-purpose hunting dogs having a short wiry coat, solid white or white with light brown or yellow patches in color.
- spiritualization — to make spiritual.
- spreading factor — a substance, as hyaluronidase, that promotes the diffusion of a material through body tissues
- spring mountains — a mountain range in S Nevada extending to the California border. Highest peak, Charleston Peak. 11,919 feet (3635 meters).
- spring snowflake — a European amaryllidaceous plant, Leucojum vernum, with white nodding bell-shaped flowers
- square kilometer — a unit of area measurement equal to a square measuring one kilometer on each side. 2 , sq. km. Abbreviation: km.
- st. clair shores — a city in SE Michigan, near Detroit.
- staffing officer — someone who recruits, hires, and ensures the interests of staff and employees in an organization
- stage production — a play or show which is performed on stage
- stamp collecting — Stamp collecting is the hobby of building up a collection of stamps.
- stamp collection — the act of collecting postage stamps as a hobby
- standing ovation — rising to applaud
- standoff missile — a missile capable of striking a distant target after launch by an aircraft outside the range of missile defences
- stannic chloride — a colorless fuming and caustic liquid, SnCl 4 , soluble in water and alcohol, that converts with water to a crystalline solid: used for electrically conductive and electroluminescent coatings and in ceramics.
- state of affairs — situation
- stationary front — a front between warm and cold air masses that is moving very slowly or not at all.
- stationary orbit — an orbit lying in, or approximately in, the plane of the equator for which the orbital period is equal to the spin period of the central body
- stationary point — a point on a curve at which the tangent is either horizontal or vertical, such as a maximum, a minimum, or a point of inflection
- stationary state — any of several energy states an atom may occupy without emitting electromagnetic radiation.
- steam locomotive — a locomotive moved by steam power generated in its own boiler: still in commercial use in nations that have not yet converted entirely to diesel and electric locomotives.
- steamboat gothic — a florid architectural style suggesting the gingerbread-decorated construction of river boats of the Victorian period.
- stereoregularity — (of a polymer) the degree to which successive configurations in space along the chain follow a simple rule. Also called tacticity. Compare configuration (def 4).
- stick at nothing — to be prepared to do anything; be unscrupulous or ruthless
- stick out a mile — to be extremely obvious
- still photograph — a photograph taken from a cinema film which is used for publicity purposes
- stock allocation — Stock allocation is the decisions made about how quantities held at a central point will be distributed amongst several outlets in a retail chain.
- stock car racing — the sport of racing in stock cars
- stocking machine — a type of knitting machine
- stomach stapling — Stomach stapling is an operation in which part of the stomach is removed in order to help a person to eat less and lose weight.
- stomach-churning — causing nausea.
- stonecrop family — the plant family Crassulaceae, characterized by succulent herbaceous plants and shrubs with simple, fleshy leaves, clusters of small flowers, and dry, dehiscent fruit, and including hen-and-chickens, houseleek, kalanchoe, live-forever, orpine, sedum, and stonecrop.
- stopped diapason — a full, rich outpouring of melodious sound.
- storage capacity — amount of room or space
- storage terminal — A storage terminal is a building or area with large tanks for storing oil, gas, and other petrochemical products.
- straight shooter — a person who is forthright and upstanding in behavior.
- string orchestra — an orchestra consisting only of violins, violas, cellos, and double basses
- stroboradiograph — a stroboscopic radiograph.
- strongyloidiasis — an intestinal disease caused by infection with the nematode worm Strongyloides stercoralis
- studentification — the renting of particular accommodation exclusively to students
- studio apartment — an apartment consisting of one main room, a kitchen or kitchenette, and a bathroom. Compare efficiency apartment.
- subcartilaginous — partially or incompletely cartilaginous.
- subjectification — to make subjective.
- subordinationism — the doctrine that the first person of the Holy Trinity is superior to the second, and the second superior to the third.
- subtropical high — one of several highs, as the Azores and Pacific highs, that prevail over the oceans at latitudes of about 30 degrees N and S. Also called subtropical anticyclone. Compare high (def 37).
- succession state — any of a number of usually new states that are established in or expand over the territory formerly ruled by one large state
- sugar plantation — a large area of land where sugar is grown
- sulfanilyl group — the para form of the group C 6 H 6 NO 2 S–, derived from sulfanilic acid.
- sulfocarbanilide — thiocarbanilide.