16-letter words containing a, u, n, i
- spanish bluebell — a bulbous plant, Endymion hispanicus, of the lily family, native to Spain and Portugal, having blue, white, or pink, bell-shaped flowers.
- spanish chestnut — Castanea sativa
- speak in tongues — to engage in glossolalia
- speaking trumpet — a trumpet-shaped instrument used to carry the voice a great distance or held to the ear by a deaf person to aid his hearing
- spiritual incest — marriage or a sexual relationship between persons related by spiritual affinity or with a person under a solemn vow of chastity
- spiritualization — to make spiritual.
- spit-and-sawdust — (of a pub) shabby, dirty, and basic
- spring mountains — a mountain range in S Nevada extending to the California border. Highest peak, Charleston Peak. 11,919 feet (3635 meters).
- stage production — a play or show which is performed on stage
- standard annuity — A standard annuity is a retirement investment insurance contract that pays a regular income in return for a lump sum payment.
- stannic sulphide — an insoluble solid compound of tin usually existing as golden crystals or as a yellowish-brown powder: used as a pigment. Formula: SnS2
- state university — a university maintained by the government of a state.
- stephen f austin — Alfred, 1835–1913, English poet: poet laureate 1896–1913.
- stinging capsule — a nematocyst.
- stomach-churning — causing nausea.
- student teaching — the act of teaching in a school for a limited period under supervision as part of a course to qualify as a teacher
- 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.
- subliminal image — an image used in advertising, etc, that is too quick to be registered by the mind but is used to influence the viewer unconsciously
- sublingual gland — (in human beings) either of a pair of salivary glands situated beneath the tongue
- submarine chaser — a small patrol vessel, 100–200 feet (30–60 meters) long, designed for military operations against submarines.
- subordinationism — the doctrine that the first person of the Holy Trinity is superior to the second, and the second superior to the third.
- subsistence wage — the lowest wage upon which a worker and his or her family can survive
- substantia nigra — a deeply pigmented area of the midbrain containing dopamine-producing nerve cells.
- substantive rank — a permanent rank in the armed services obtained by length of service, selection, etc
- 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.
- sulfarsphenamine — a yellow, water-soluble, arsenic-containing powder, C 1 4 H 1 4 As 2 N 2 Na 2 O 8 S 2 , formerly used in the treatment of syphilis.
- sulfocarbanilide — thiocarbanilide.
- summation method — a method for associating a sum with a divergent series.
- summational tone — a musical sound sometimes heard when two loud notes are sounded together, higher in pitch than either
- summer complaint — an acute condition of diarrhea, occurring during the hot summer months chiefly in infants and children, caused by bacterial contamination of food and associated with poor hygiene.
- sun-dried tomato — tomato dried in the sun
- superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
- superior general — the superior of an order or congregation.
- supernationalism — an extreme or fanatical loyalty or devotion to a nation.
- superunification — a theory intended to describe the electromagnetic force, the strong force, the weak force, and gravity as a single, unified force.
- supporting actor — performer: not lead
- supranationalism — outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.
- surface integral — the limit, as the norm of the partition of a given surface into sections of area approaches zero, of the sum of the product of the areas times the value of a given function of three variables at some point on each section.
- surface-printing — planography.
- surveyor's chain — a series of objects connected one after the other, usually in the form of a series of metal rings passing through one another, used either for various purposes requiring a flexible tie with high tensile strength, as for hauling, supporting, or confining, or in various ornamental and decorative forms.
- sushi restaurant — a restaurant serving sushi
- suspending agent — A suspending agent is a liquid in which a solid substance can be held in suspension.
- sustaining pedal — a pedal on a piano that when depressed with the foot raises the dampers and permits the strings to vibrate and sustain the tone.
- swedish vallhund — a small sturdy dog of a Swedish breed with a long body and pricked pointed ears
- swiss tournament — (in certain games and sports) a tournament system in which players are paired in each round according to the scores they then have, playing a new opponent each time. More players can take part than in an all-play-all tournament of the same duration