21-letter words containing a, c, t, o, s
- continuous stationery — paper that is perforated between pages and folded concertina fashion, used in dot-matrix, line, and daisywheel printers
- convertible insurance — any form of life or health insurance, either individual or group, that enables the insured to change or convert the insurance to another form, as term to whole life insurance or group to individual health insurance.
- coquilles st. jacques — an appetizer of minced scallops in a wine and cream sauce topped with grated cheese and browned under a broiler: usually served in scallop shells.
- coronal mass ejection — a cloud of particles ejected from the sun's surface during a solar flare
- corporate hospitality — Corporate hospitality is the entertainment that a company offers to its most valued clients, for example by inviting them to sporting events and providing them with food and drink.
- corpuscular radiation — radiation consisting of atomic and subatomic particles, as alpha particles, beta particles, and neutrons.
- corrupt practices act — any of several U.S. statutes for ensuring the purity of elections by forbidding the purchase of votes, restricting the amount and source of political contributions, limiting campaign expenditures, and requiring the submission of an itemized statement of such expenditures.
- cosmological argument — one of the arguments that purport to prove the existence of God from empirical facts about the universe, esp the argument to the existence of a first cause
- cosmological constant — a term introduced by Einstein into his field equations of general relativity to permit a stationary, nonexpanding universe: it has since been abandoned in most models of the universe.
- cosmological redshift — the part of the redshift of celestial objects resulting from the expansion of the universe.
- cost control callback — (communications) A system where a computer automatically rejects incoming dial-up calls from certain telephone numbers and calls them back, with the result that the caller pays nothing for the connection. This differs from security callback in that it applies to certain phone numbers instead of to certain user names.
- cost driver attribute — (programming) Factors affecting the productivity of software development. These include attributes of the software, computers, personnel, and project.
- cost-benefit analysis — an analysis that takes into account the costs of a project and its benefits to society, as well as the revenue it generates
- cottony-cushion scale — a small scale insect, Icerya purchasi, that is a pest of citrus trees in California: it is controlled by introducing an Australian ladybird, Rodolia cardinalis, into affected areas
- countably compact set — a set for which every cover consisting of a countable number of sets has a subcover consisting of a finite number of sets.
- counterdemonstrations — Plural form of counterdemonstration.
- court of common pleas — (formerly) a superior court exercising jurisdiction in civil actions between private citizens
- criminal conversation — (formerly) a common law action brought by a husband by which he claimed damages against an adulterer
- crystallographic axis — one of the imaginary reference lines passing through the center of an ideal crystal, designated a, b, or c.
- customer satisfaction — When customers are pleased with the goods or services they have bought, you can refer to customer satisfaction.
- dacryocystorhinostomy — A surgical procedure to restore the flow of tears into the nose from the lacrimal sac when the nasolacrimal duct does not function.
- de-ontological ethics — the branch of ethics dealing with right action and the nature of duty, without regard to the goodness or value of motives or the desirability of the ends of any act.
- democratic centralism — the Leninist principle that policy should be decided centrally by officials, who are nominally democratically elected
- denominational school — a school associated with a particular religious denomination
- department of justice — the department of the U.S. federal government charged with the responsibility for the enforcement of federal laws. Abbreviation: DOJ.
- deprovincialization's — to make provincial in character.
- diapason normal pitch — a standard of pitch in which A above middle C is established at 435 vibrations per second.
- digital videocassette — a videocassette containing magnetic tape used for high-fidelity digital recording or playback of video. Abbreviation: DVC.
- discretionary account — an account in which the stockbroker is allowed complete control over the purchase and sale of securities on the customer's behalf.
- discriminant function — a linear function of measurements of different properties of an object or event that is used to assign the object or event to one population or another (discriminant analysis)
- dissociative disorder — a mental disorder, as multiple personality, characterized by sudden temporary alteration in consciousness, identity, or motor behavior.
- distinctiveness ratio — the ratio of the relative frequency of some event in a given sample to that in the general population or another relevant sample
- draft once reuse many — (jargon) (DORUM) Reusing parts of a document to produce parts of an entirely new document. The term normally refers to text documents but the practise is equally common in programming.
- eccles-jordan circuit — flip-flop
- educational sociology — the application of sociological principles and methods to the solution of problems in an educational system.
- electroencephalograms — Plural form of electroencephalogram.
- electromagnetic pulse — a surge of electromagnetic radiation, esp one resulting from a nuclear explosion, which can disrupt electronic devices and, occasionally, larger structures and equipment
- electronystagmography — A diagnostic test to record involuntary movements of the eye caused by a condition known as nystagmus. It can also be used to diagnose the cause of vertigo, dizziness or balance dysfunction by testing the vestibular system.
- emotional correctness — pressure on an individual to be seen to feel the same emotion as others
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- ethics of the fathers — a treatise of the Mishnah that comprises six chapters and consists chiefly of proverbs, aphorisms, and principles of ethics, law, and religion.
- exposure compensation — the act of overriding a camera's automatic exposure in order to achieve a particular effect or due to difficult lighting conditions
- ferric sodium oxalate — an emerald-green, crystalline, extremely water-soluble salt, used in photography and blueprinting.
- first consonant shift — the consonant shift described by Grimm's law, which distinguishes Germanic languages from other Indo-European languages.
- first-dollar coverage — insurance that provides payment for the full loss up to the insured amount with no deductibles.
- first-round financing — First round financing is the first time a new company raises money from investors.
- food conversion ratio — a ratio expressing the weight of food required to produce a unit gain in the live weight of an animal
- food standards agency — the full form of FDA
- forensic anthropology — the branch of physical anthropology in which anthropological data, criteria, and techniques are used to determine the sex, age, genetic population, or parentage of skeletal or biological materials in questions of civil or criminal law.
- fort lesley j. mcnair — a military reservation in SW Washington, D.C., on the Potomac River, SW of the Capitol.