21-letter words containing r, o, m
- 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.
- comparison microscope — a microscope having two objective lenses and using a system of prisms to form in one eyepiece adjacent images of two different objects.
- compensation neurosis — an unconscious attempt to retain physical or psychological symptoms of illness when some advantage may be obtained (distinguished from malingering).
- 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.
- composition of forces — the combination, by vector algebra, of two or more forces into a single equivalent force (the resultant)
- 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 conferencing — the conduct of meetings through the use of computer-based telecommunications
- 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.
- conductivity improver — A conductivity improver is a substance used to get rid of static electrical charge in fuel, and improve the flow of the fuel.
- confirm a reservation — If you confirm a reservation, you inform someone who has booked a room at a hotel that the reservation is definite.
- constant mesh gearbox — A constant mesh gearbox is a type of transmission in which all forward gear pairs remain engaged.
- 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).
- controlled experiment — an experiment or trial that uses controls, usually separating the subjects into one or more control groups and experimental groups.
- conventional mortgage — A conventional mortgage is a fixed rate mortgage with a standard term of 15, 20, or 30 years.
- cooperative apartment — a block of flats belonging to a corporation in which shares are owned in proportion to the relative value of the flat occupied
- cooperative-apartment — working or acting together willingly for a common purpose or benefit.
- coordination compound — complex (def 10).
- coronal mass ejection — a cloud of particles ejected from the sun's surface during a solar flare
- correspondence column — a section of a newspaper or magazine in which are printed readers' letters to the editor
- 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 redshift — the part of the redshift of celestial objects resulting from the expansion of the universe.
- count of monte cristo — a novel (1844–45) by Alexandre Dumas père.
- counterdemonstrations — Plural form of counterdemonstration.
- court of common pleas — (formerly) a superior court exercising jurisdiction in civil actions between private citizens
- crankcase compression — Crankcase compression is the method of starting some smaller two-stroke engines, where the mixture charge is compressed in a sealed crankcase by the descending piston before passing to the combustion chamber.
- criminal conversation — (formerly) a common law action brought by a husband by which he claimed damages against an adulterer
- crittenden compromise — a series of constitutional amendments proposed in Congress in 1860 to serve as a compromise between proslavery and antislavery factions, one of which would have permitted slavery in the territories south but not north of latitude 36°30′N.
- crool someone's pitch — to spoil an opportunity for someone
- croscarmellose sodium — Croscarmellose sodium is a substance used in tablets and capsules as a disintegrant.
- cross-cousin marriage — marriage between the children of a brother and sister.
- 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.
- dark-field microscope — ultramicroscope
- darken someone's door — to visit someone
- datamatic corporation — Honeywell
- dead from the neck up — stupid or unintelligent
- decompression chamber — a chamber in which the pressure of air can be varied slowly for returning people from abnormal pressures to atmospheric pressure without inducing decompression sickness
- democratic centralism — the Leninist principle that policy should be decided centrally by officials, who are nominally democratically elected
- department of defense — the department of the U.S. federal government charged with ensuring that the military capacity of the U.S. is adequate to safeguard the national security. Abbreviation: DOD.
- department of justice — the department of the U.S. federal government charged with the responsibility for the enforcement of federal laws. Abbreviation: DOJ.
- deployment descriptor — (programming) (DD) A J2EE configuration file.
- dew-point temperature — the temperature to which air must be cooled, at a given pressure and water-vapor content, for it to reach saturation; the temperature at which dew begins to form.
- diapason normal pitch — a standard of pitch in which A above middle C is established at 435 vibrations per second.
- differential geometry — the branch of mathematics that deals with the application of the principles of differential and integral calculus to the study of curves and surfaces.
- disassortative mating — the reproductive pairing of individuals that have traits more dissimilar than would likely be the case if mating were random (contrasted with assortative mating).