21-letter words containing a, c, t, i, o
- chinese water torture — a form of torture in which water is made to drip for a long period of time onto a victim's forehead to drive him insane
- chocolate chip cookie — a biscuit containing chips of chocolate
- christmas decorations — decorations of different kinds appropriate to Christmas, such as tinsel, candles, images of angels, etc.
- circle of declination — hour circle.
- circular polarization — electromagnetic radiation (esp light) in which the electric field vector describes a circle about the direction of propagation at any point in the path of the radiation
- class-relation method — (programming) A design technique based on the concepts of object-oriented programming and the Entity-Relationship model from the French company Softeam.
- clayton antitrust act — an act of Congress in 1914 supplementing the Sherman Antitrust Act and establishing the FTC.
- clement of alexandria — Saint. original name Titus Flavius Clemens. ?150–?215 ad, Greek Christian theologian: head of the catechetical school at Alexandria; teacher of Origen. Feast day: Dec 5
- clinical psychologist — a practitioner of clinical psychology
- collective bargaining — When a trade union engages in collective bargaining, it has talks with an employer about its members' pay and working conditions.
- collimator viewfinder — a type of viewfinder in a camera
- collins street farmer — a businessman who invests in farms, land, etc
- combination principle — Ritz combination principle.
- comfortably-furnished — containing comfortable furniture
- commercial fertilizer — fertilizer manufactured chemically, as distinguished from natural fertilizer, as manure.
- commercial television — television companies which make money by selling advertising
- commercial translator — (language) An English-like pre-COBOL language for business data processing.
- committal proceedings — a preliminary hearing in a magistrates' court to decide if there is a case to answer
- committing magistrate — a magistrate who decides if there is enough evidence for a case to proceed
- common carotid artery — the part of a carotid artery between its origin and its point of division into branches.
- communication science — the study of ways in which human beings communicate, including speech, gesture, telecommunication systems, publishing and broadcasting media, etc
- communications server — (operating system) IBM's rebranding of ACF.
- community association — (in Britain) an organization of people and groups working for the common good of a neighbourhood, usually operating under a written constitution registered with the Charity Commissioners
- companionate marriage — a proposed system of trial marriage in which the couple would postpone having children and could be divorced by mutual consent, until a final decision to stay married is reached
- comparative philology — comparative linguistics.
- comparative statement — a financial statement with figures arranged in two or more parallel columns, each column representing a fiscal year or other period, used to compare performance between periods.
- compensation neurosis — an unconscious attempt to retain physical or psychological symptoms of illness when some advantage may be obtained (distinguished from malingering).
- competitive advantage — an advantage based on success in competition
- complete metric space — (theory) A metric space in which every sequence that converges in itself has a limit. For example, the space of real numbers is complete by Dedekind's axiom, whereas the space of rational numbers is not - e.g. the sequence a[0]=1; a[n_+1]:=a[n]/2+1/a[n].
- completing the square — a method, usually of solving quadratic equations, by which a quadratic expression, as x 2 − 4 x + 3, is written as the sum or difference of a perfect square and a constant, x 2 − 4 x + 4 + 3 − 4 = (x − 2) 2 − 1, by addition and subtraction of appropriate constant terms.
- componential analysis — the analysis of a set of related linguistic items, especially word meanings, into combinations of features in terms of which each item may be compared with every other, as in the analysis of man into the semantic features “male,” “mature,” and “human,” woman into “female,” “mature,” and “human,” girl into “female,” “immature,” and “human,” and bull into “male,” “mature,” and “bovine.”.
- computer aided design — (application) (CAD) The part of CAE concerning the drawing or physical layout steps of engineering design. Often found in the phrase "CAD/CAM" for ".. manufacturing".
- computer architecture — the structure, behaviour, and design of computers
- computer-aided design — the use of computer techniques in designing products, esp involving the use of computer graphics
- compuware corporation — (company) A US software and service company established in 1973. Since 1973, Compuware focused on optimising business software development, testing and operation. In 1999 the company had grown to over 15,000 employees worldwide and revenues of more than $1.6B. By 2013 it had shrunk to less than 5000. Current (2013) products and services include performance optimisation, availability and quality of web, non-web, mobile, streaming and cloud applications; project portfolio management, professional services automation; mainframe applications and developer tools; rapid application development and professional services.
- concert grand (piano) — the largest size of grand piano, for concert performance
- conditional discharge — If someone who is convicted of an offence is given a conditional discharge by a court, they are not punished unless they later commit a further offence.
- conditional operation — a step in a computer program that determines which of two or more instructions or instruction sequences to execute next, depending on whether or not one or more specified conditions have been met.
- cone penetration test — a method of testing soils by pressing a cone of standard dimensions into the soil under a known load and measuring the penetration
- conference facilities — Conference facilities are large rooms and pieces of equipment that a hotel provides so an organization can have conference there.
- confirm a reservation — If you confirm a reservation, you inform someone who has booked a room at a hotel that the reservation is definite.
- congregational church — any evangelical Protestant Christian Church that is governed according to the principles of Congregationalism. In 1972 the majority of churches in the Congregational Church in England and Wales voted to become part of the United Reformed Church
- constantine the great — (Flavius Valerius Aurelius Constantinus"the Great") a.d. 288?–337, Roman emperor 324–337: named Constantinople as the new capital; legally sanctioned Christian worship.
- constitutional strike — a stoppage of work by the workforce of an organization, with the approval of the trade union concerned, in accordance with the dispute procedure laid down in a collective agreement between the parties
- constitutionalization — The act or process of establishing a constitution over a state or organization.
- constitutive equation — A constitutive equation is an equation that describes the relationship between two physical quantities, for example between the stress put on a material and the strain produced on it.
- consultation document — a report that is the result of a consultation process
- consummatory behavior — a behavior pattern that occurs in response to a stimulus and that achieves the satisfaction of a specific drive, as the eating of captured prey by a hungry predator (distinguished from appetitive behavior).
- contextual definition — definition of a word or symbol by explaining the meaning of the phrase or statement in which it occurs.
- continental breakfast — A continental breakfast is breakfast that consists of food such as bread, butter, jam, and a hot drink. There is no cooked food.