15-letter words containing a, l, i, s, o
- 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
- streptobacillus — any of various bacilli that form in chains.
- structural iron — iron shaped for use in construction.
- subalimentation — hypoalimentation.
- subcivilization — a division of a civilization
- subconjunctival — the mucous membrane that lines the exposed portion of the eyeball and inner surface of the eyelids.
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subprofessional — being below professional standards: subprofessional health care.
- subvocalization — the act or process of producing subvocal speech
- sulphinpyrazone — a uricosuric drug with molecular formula C23H20N2O3S, used in the treatment of chronic gout
- sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
- summer holidays — the time when children do not go to school in the summer
- superexaltation — extreme or supreme exaltation; the act of superexalting; the process or condition of being superexalted
- superior planet — any of the five planets whose orbits are outside the orbit of the earth, namely, the planets Mars, Jupiter, Saturn, Uranus, and Neptune.
- supplementation — the act or process of supplementing.
- survival course — a course that teaches people how to survive in the wild and in other dangerous environments
- sycophantically — a self-seeking, servile flatterer; fawning parasite.
- syllabification — to form or divide into syllables.
- syllogistically — of or relating to a syllogism.
- 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
- symptomatically — pertaining to a symptom or symptoms.
- symptomological — relating to symptomology
- synecdochically — a figure of speech in which a part is used for the whole or the whole for a part, the special for the general or the general for the special, as in ten sail for ten ships or a Croesus for a rich man.
- tailor's bunion — a bunionlike enlargement of the joint of the little toe, usually caused by pressure from tight shoes.
- taylor's series — an infinite sum giving the value of a function f(z) in the neighbourhood of a point a in terms of the derivatives of the function evaluated at a. Under certain conditions, the series has the form f(z) = f(a) + [f′(a)(z – a)]/1! + [f″(a)(z – a)2]/2! + …
- tensor analysis — the branch of mathematics dealing with the calculus of tensors, especially the study of properties that are unaffected by a change of coordinate system.
- tentaculiferous — having tentacles
- thalassographic — relating to thalassography
- the anglo-irish — the inhabitants of Ireland of English birth or descent
- the cordilleras — the complex of mountain ranges on the W side of the Americas, extending from Alaska to Cape Horn and including the Andes and the Rocky Mountains
- thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
- thousand island — of or relating to the Thousand Islands or their inhabitants
- tirso de molina — Luis [loo-ees] /luˈis/ (Show IPA), 1535–1600, Spanish Jesuit theologian.
- titius-bode law — Bode's law.
- to call in sick — If you call in sick, you telephone the place where you work to tell them you will not be coming to work because you are ill.
- to lie in state — If the dead body of an important person lies in state, it is publicly displayed for a few days before it is buried.
- to play footsie — If someone plays footsie with you, they touch your feet with their own feet, for example under a table, often as a playful way of expressing their romantic or sexual feelings towards you.
- tokelau islands — a group of islands in the S Pacific Ocean belonging to New Zealand. 4 sq. mi. (10 sq. km).
- topgallant sail — a sail or either of two sails set on the yard or yards of a topgallant mast.
- torsion balance — an instrument for measuring small forces, as electric attraction or repulsion, by determining the amount of torsion or twisting they cause in a slender wire or filament.
- 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.
- totalitarianist — the practices and principles of a totalitarian regime.
- training school — a school that provides training in some art, profession, or vocation.
- transactionally — the act of transacting or the fact of being transacted.
- transequatorial — of, relating to, or near an equator, especially the equator of the earth.
- transgressional — of or relating to transgression
- transhistorical — occurring throughout all human history