21-letter words containing a, l, o, y, s, t
- magnetoplasmadynamics — magnetohydrodynamics.
- majority shareholding — a holding of more than half a company's shares
- make yourself at home — settle in
- mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
- methylisothiazolinone — (chemistry) A powerful biocide and preservative within the group of isothiazolinones, used in shampoos etc.
- modulus of elasticity — the ratio of the stress applied to a body or substance to the resulting strain within the elastic limit
- muon-catalysed fusion — an experimental form of nuclear fusion in which hydrogen and deuterium muonic atoms are formed. Because the mass of the muon is much larger than that of the electron, the atoms are smaller, and the nuclei are close enough for fusion to occur
- new year's resolution — If you make a New Year's resolution, you make a decision at the beginning of a year to start doing something or to stop doing something.
- nitrosylsulfuric acid — a clear, straw-colored, oily, corrosive liquid, HNO 5 S, used chiefly in the manufacture of dyes.
- otorhinolaryngologist — (medicine) Doctor specializing in otorhinolaryngology, the study of ear, nose, and throat.
- partially ordered set — a set in which a relation as “less than or equal to” holds for some pairs of elements of the set, but not for all.
- payload assist module — a U.S. solid-propellant rocket used to boost a medium-weight spacecraft from a circular low-earth orbit to an elliptical transfer orbit for later insertion into a geosynchronous orbit. Abbreviation: PAM.
- personality inventory — a questionnaire designed to measure personality types or characteristics.
- physical anthropology — the branch of anthropology dealing with the evolutionary changes in human anatomy and physiology, using mensurational and descriptive techniques.
- piezoelectric crystal — a crystal, such as quartz, that produces a potential difference across its opposite faces when under mechanical stress
- place of safety order — (in Britain) under the Children and Young Persons Act 1969, an order granted by a justice to a person or agency granting authority to detain a child or young person and take him or her to a place of safety for not more than 28 days, because of the child's actual or likely ill-treatment or neglect, etc
- play russian roulette — take a foolish risk
- posterior probability — the probability assigned to some parameter or to an event on the basis of its observed frequency in a sample, and calculated from a prior probability by Bayes' theorem
- premenstrual syndrome — a complex of physical and emotional changes, including depression, irritability, appetite changes, bloating and water retention, breast soreness, and changes in muscular coordination, one or more of which may be experienced in the several days before the onset of menstrual flow. Abbreviation: PMS.
- quasi-socialistically — of or relating to socialists or socialism.
- rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
- real operating system — (operating system, abuse) The sort the speaker is used to. People from the BSDophilic academic community are likely to issue comments like "System V? Why don't you use a *real* operating system?", people from the commercial/industrial Unix sector are known to complain "BSD? Why don't you use a *real* operating system?", and people from IBM object "Unix? Why don't you use a *real* operating system?" See holy wars, religious issues, proprietary, Get a real computer!.
- residual unemployment — the unemployment that remains in periods of full employment, as a result of those mentally, physically, or emotionally unfit to work
- reverse polish syntax — postfix notation
- rocky mountain locust — a migratory locust, Melanoplus spretus, that occurs in North America, especially the Great Plains, where swarms cause great damage to crops and other vegetation.
- salam-weinberg theory — the electroweak theory.
- scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
- schlieren photography — a type of photography which records schlieren
- scholastic philosophy — the system of philosophy, theology, and teaching that dominated medieval western Europe and was based on the writings of the Church Fathers and (from the 12th century) Aristotle, the Greek philosopher (384–322 bc)
- scorched earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
- scorched-earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
- seventeen-year locust — a cicada, Magicicada septendecim, of the eastern U.S., having nymphs that live in the soil, usually emerging in great numbers after 17 years in the North or 13 years in the South.
- social inquiry report — (in Britain) a report on a person and his or her circumstances, which may be required by a court before sentencing and is made by a probation officer or a social worker from a local authority social services department
- socialist labor party — a U.S. political party, organized in 1874, advocating the peaceful introduction of socialism.
- statutory declaration — a declaration made under statutory authority before a justice of the peace or commissioner for oaths which may in certain cases be substituted for a statement on oath
- structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
- summary court-martial — a court-martial composed of one commissioned officer, authorized to try minor offenses against military law.
- sunday school teacher — someone who teaches at a Sunday school
- systeme international — Système International d'Unités
- take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
- tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
- the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
- the royal scots greys — (formerly) a British cavalry regiment, the Second Dragoons
- the women's land army — a unit of women recruited to do agricultural work in the United Kingdom during World War I and World War II
- theoretical physicist — a scientist who studies theoretical physics
- threshold wage policy — a policy whereby wages are increased in accordance with inflation
- to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
- to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.
- to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
- to sow your wild oats — If a young person sows their wild oats, they behave in a rather uncontrolled way, especially by having a lot of sexual relationships.