18-letter words containing s, m, e, l
- circulatory system — the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc
- citizen journalism — the involvement of non-professionals in reporting news, esp in blogs and other websites
- classical armenian — the oldest form of the Armenian language according to written sources, in use from the 5th to the 18th century.
- coffee-table music — unadventurous music
- collision diameter — the distance between the centers of two colliding molecules when at their closest point of approach.
- commonwealth games — an event held every four years in which sportspeople from the countries of the Commonwealth compete
- compassionlessness — The quality, state, or condition of being compassionless; uncompassion.
- complementarianism — The doctrine that genders in a society should have complementary roles.
- complementary base — either of the nucleotide bases linked by a hydrogen bond on opposite strands of DNA or double-stranded RNA: guanine is the complementary base of cytosine, and adenine is the complementary base of thymine in DNA and of uracil in RNA.
- complexity measure — (algorithm) A quantity describing the complexity of a computation.
- comprehensibleness — The quality of being comprehensible; comprehensibility.
- conceptual realism — the doctrine that universals have real and independent existence.
- considered harmful — (programming, humour) A type of phrase based on the title of Edsger W. Dijkstra's famous note in the March 1968 Communications of the ACM, "Goto Statement Considered Harmful", which fired the first salvo in the structured programming wars. Amusingly, the ACM considered the resulting acrimony sufficiently harmful that it will (by policy) no longer print articles taking so assertive a position against a coding practice. In the ensuing decades, a large number of both serious papers and parodies bore titles of the form "X considered Y". The structured-programming wars eventually blew over with the realisation that both sides were wrong, but use of such titles has remained as a persistent minor in-joke.
- consolato del mare — a code of maritime law compiled in the Middle Ages: it drew upon ancient law and has influenced modern law.
- continental system — French system.
- cool as a cucumber — very calm; self-possessed
- counterculturalism — The counterculture movement or lifestyle.
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- cumulative scoring — a method of scoring in which the score of a partnership is taken as the sum of their scores on all hands played.
- customer relations — Customer relations are the relationships that a business has with its customers and the way in which it treats them.
- daytime television — television broadcasts that are shown during the daytime rather than in the evening
- delmarva peninsula — a peninsula of the northeast US, between Chesapeake Bay and the Atlantic
- demand liabilities — the assets of a financial institution that are demandable by depositors
- departmental store — a department store.
- development system — a computer system, including hardware and software, that is specifically designed to aid in the development of software and interfaces
- dia de los muertos — Day of the Dead.
- diaminofluorescein — (organic compound) A fluorescein into which two amino groups have been substituted.
- dicalcium silicate — a component of cement, 2CaO⋅SiO 2 , also used to neutralize acid soils.
- dietary supplement — a substance taken in addition to what you eat in order to promote health
- digital humanities — (used with a singular verb) the study of literature, philosophy, etc., as facilitated by computer technology or digital media: Digital humanities uses data analysis to find patterns in large bodies of text. the set of methodologies used in such scholarship.
- dimensionalisation — Alternative spelling of dimensionalization.
- dimensionalization — The process of dimensionalizing.
- dimethyl sulfoxide — DMSO.
- dimethylsulphoxide — a colourless odourless liquid substance used as a solvent and in medicine as an agent to improve the penetration of drugs applied to the skin. Formula: (CH3)2SO
- diplomatic service — diplomatic corps
- diplomatic shuttle — a series of diplomatic visits to other states made by an official, such as an ambassador or envoy
- domestic appliance — a machine used for household tasks, for example, a washing machine, refrigerator, etc.
- dr. james h. clark — (person) The founder of Silicon Graphics, Inc. and co-founder of Netscape Communications Corporation.
- dynamically scoped — dynamic scope
- eastern meadowlark — any of several American songbirds of the genus Sturnella, of the family Icteridae, especially S. magna (eastern meadowlark) and S. neglecta (western meadowlark) having a brownish and black back and wings and a yellow breast, noted for their clear, tuneful song.
- economies of scale — Economies of scale are the financial advantages that a company gains when it produces large quantities of products.
- electrocardiograms — Plural form of electrocardiogram.
- electroluminescent — Having the quality of electroluminescence.
- electroretinograms — Plural form of electroretinogram.
- elementary student — primary school pupil
- emmenthal (cheese) — a hard, pale-yellow Swiss cheese with a mild flavor and large holes
- employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
- entrepreneurialism — The spirit or state of acting in an entrepreneurial manner.
- establishmentarian — Adhering to, advocating, or relating to the principle of an established church.
- ethical investment — an investment in a company whose activities or products are not considered by the investor to be unethical