15-letter words containing s, i, m, l, o
- sodium silicate — a substance having the general formula, Na2O.xSiO2, where x varies between 3 and 5, existing as an amorphous powder or present in a usually viscous aqueous solution
- sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
- soldier's medal — a medal awarded to any member of the Army of the United States, or of any military organization serving with it, who distinguishes himself or herself by heroism not involving conflict with an enemy.
- solomon islands — (used with a plural verb) an archipelago in the W Pacific Ocean, E of New Guinea; important World War II battles; politically divided between Papua New Guinea and the Solomon Islands.
- solution mining — removal of a soluble mineral by dissolving it and leaching it out, as in the Frasch process.
- somerset island — an island in the Arctic Ocean in Nunavut, Canada, NW of Baffin Island. 9594 sq. mi. (24,848 sq. km).
- sound symbolism — a nonarbitrary connection between phonetic features of linguistic items and their meanings, as in the frequent occurrence of close vowels in words denoting smallness, as petite and teeny-weeny.
- source material — original, authoritative, or basic materials utilized in research, as diaries or manuscripts.
- south milwaukee — a city in SE Wisconsin.
- specific volume — volume per unit mass; the reciprocal of density.
- spectrochemical — of, relating to, or utilizing the techniques of spectrochemistry.
- spelling reform — an attempt to change the spelling of English words to make it conform more closely to pronunciation.
- spermatoblastic — relating to a spermatoblast
- squirrel monkey — either of two small, long-tailed monkeys, Saimiri oerstedii of Central America and S. sciureus of South America, having a small white face with black muzzle and gold, brown, or greenish fur: S. oerstedii is endangered.
- st. elmo's fire — St. Elmo's fire.
- st. ulmo's fire — St. Elmo's fire.
- state socialism — the theory, doctrine, and movement advocating a planned economy controlled by the state, with state ownership of all industries and natural resources.
- steering column — the shaft that connects the steering wheel to the steering gear assembly of an automotive vehicle.
- stigmatophilist — a person who has stigmatophilia
- streamline flow — the flow of a fluid past an object such that the velocity at any fixed point in the fluid is constant or varies in a regular manner.
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- strombuliferous — having organs coiled as spirals
- stumbling block — an obstacle or hindrance to progress, belief, or understanding.
- subalimentation — hypoalimentation.
- summer holidays — the time when children do not go to school in the summer
- summer solstice — the solstice on or about June 21st that marks the beginning of summer in the Northern Hemisphere.
- supplementation — the act or process of supplementing.
- supporting film — a film that accompanies the main feature film in a film programme
- supreme council — the legislature of the former Soviet Union and its successor states, consisting of an upper house (Soviet of the Union or Council of the Union) whose delegates are elected on the basis of population, and a lower house (Soviet of Nationalities or Council of Nationalities) whose delegates are elected to represent the various nationalities.
- symbol retailer — any member of a voluntary group of independent retailers, often using a common name or symbol, formed to obtain better prices from wholesalers or manufacturers in competition with supermarket chains
- symbolics, inc. — (company) The company which produced the Lisp Machine.
- symptomatically — pertaining to a symptom or symptoms.
- symptomological — relating to symptomology
- television film — a feature-length film that is made specifically to be shown on television
- thromboembolism — the blockage of a blood vessel by a thrombus carried through the bloodstream from its site of formation.
- tirso de molina — Luis [loo-ees] /luˈis/ (Show IPA), 1535–1600, Spanish Jesuit theologian.
- torsion modulus — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
- total serialism — (in some music after 1945) the use of serial techniques applied to such elements as rhythm, dynamics, and tone colour, as found in the early works of Stockhausen, Boulez, etc
- totalitarianism — the practices and principles of a totalitarian regime.
- tutorial system — a system of education, especially in some colleges, in which instruction is given personally by tutors, who also act as general advisers of a small group of students in their charge.
- two-dimensional — having the dimensions of height and width only: a two-dimensional surface.
- ultra-modernist — very advanced in ideas, design, or techniques.
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- ultramicroscopy — the use of the ultramicroscope.
- unceremoniously — discourteously abrupt; hasty; rude: He made an unceremonious departure in the middle of my speech.
- uncomplaisantly — in an uncomplaisant manner
- uncompromisable — that cannot or should not be compromised
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- unmelodiousness — an unmelodious quality or character
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.