15-letter words containing a, d, m, s
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- radar astronomy — the branch of astronomy that uses radar to map the surfaces of planetary bodies, as the moon and Venus, and to determine periods of rotation.
- radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- ramrod straight — having a very straight figure
- random sampling — a method of selecting a sample (random sample) from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.
- re-demonstrated — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- readvertisement — the act or process of advertising something again
- redemonstration — the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration.
- registered mail — prepaid first-class mail that has been recorded at a post office prior to delivery for safeguarding against loss, theft, or damage during transmission.
- registered name — the official or trademark name of something such as a product or company
- relational dbms — relational database
- remand prisoner — a prisoner who is sent back into custody (or sometimes admitted to bail) to await trial or continuation of their trial
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- rolling meadows — a city in NE Illinois, near Chicago.
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- rudimentariness — the state or quality of being rudimentary
- sacred mushroom — any of various hallucinogenic mushrooms, esp species of Psilocybe and Amanita, that have been eaten in rituals in various parts of the world
- sadomasochistic — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- sahitya akademi — a body set up by the Government of India for cultivating literature in Indian languages and in English
- sanatana dharma — the name used by Hindus for Hinduism
- sand-lime brick — a hard brick composed of silica sand and a lime of high calcium content, molded under high pressure and baked.
- sb's trump card — Your trump card is something powerful that you can use or do, which gives you an advantage over someone.
- scatter diagram — a graphic representation of bivariate data as a set of points in the plane that have Cartesian coordinates equal to corresponding values of the two variates.
- sclerodermatous — Zoology. covered with a hardened tissue, as scales.
- second mortgage — a mortgage the lien of which is next in priority to a first mortgage.
- secondary metal — metal derived wholly or in part from scrap.
- secondary xylem — xylem derived from the cambium during secondary growth.
- seeding machine — a machine for sowing seeds
- self-adjustment — adjustment of oneself or itself, as to the environment.
- self-admiration — a feeling of wonder, pleasure, or approval.
- self-admittedly — admitting to a specific charge or accusation; self-confessed: a self-admitted spy.
- self-debasement — to reduce in quality or value; adulterate: They debased the value of the dollar.
- self-medication — the use of medicine without medical supervision to treat one's own ailment.
- self-proclaimed — to announce or declare in an official or formal manner: to proclaim war.
- selfabandonment — absence or lack of personal restraint.
- semi-industrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- semicylindrical — of, relating to, or having the shape of a semicylinder
- semidocumentary — a film or television programme that is fictional but includes many factual events or details
- senile dementia — a syndrome of progressive, irreversible impairment of cognitive function, caused by organic factors and having its onset late in life.
- settlement date — day by which payment must be made
- shadow minister — a member of the main opposition party in Parliament who would hold ministerial office if their party were in power
- side impact bar — A side impact bar is a long beam in a car door that is designed to protect passengers during a crash.
- simplicidentate — belonging or pertaining to the Simplicidentata, formerly regarded as a suborder or division of rodents having only one pair of upper incisor teeth.
- sistine madonna — a Madonna painted by Raphael for the Church of St. Sixtus at Piacenza, Italy.
- sixth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, guaranteeing the right to a trial by jury in criminal cases.
- smoking-related — (of a disease, illness, etc) caused by smoking tobacco, etc
- social democrat — a person who advocates a gradual transition to socialism or a modified form of socialism by and under democratic political processes.
- social dynamics — the study of social processes, especially social change.
- socratic method — the use of questions, as employed by Socrates, to develop a latent idea, as in the mind of a pupil, or to elicit admissions, as from an opponent, tending to establish a proposition.