20-letter words containing r, m, e, t
- mum-and-dad investor — a small-scale non-professional investor
- music of the spheres — a music, imperceptible to human ears, formerly supposed to be produced by the movements of the spheres or heavenly bodies.
- neapolitan ice cream — variously flavored and colored ice cream and ice mixtures frozen in layers.
- near someone's heart — dear or important to someone
- near-market research — scientific research that, while not linked to the development of a specific product, is likely to be commercially exploitable
- nemine contradicente — no one contradicting; unanimously.
- neon lamp (or tube) — a discharge lamp containing neon, that ionizes and glows with a red light (neon light) when an electric current is sent through it: used esp. in advertising signs
- net domestic product — the gross domestic product minus an allowance for the depreciation of capital goods
- neuromusculoskeletal — (medicine) Describing the interactions between nerves, muscles and the skeleton.
- new democratic party — the Canadian social democratic party formed in 1961
- newcastle-under-lyme — a town in W central England, in Staffordshire. Pop: 74 427 (2001)
- next program counter — (architecture) (nPC) A register in a CPU that contains the address of the instruction to be executed next.
- nictitating membrane — a thin membrane, or inner or third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection.
- nonrepeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
- normal zeeman effect — the dividing of a spectral line or lines as a result of placing a radiation source in a magnetic field. The division consists of three equally spaced lines (normal Zeeman effect) in systems for which the spin quantum number is zero, or of three or more unequally spaced lines (anomalous Zeeman effect) in systems for which the spin quantum number is not zero.
- north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
- north temperate zone — the part of the earth's surface between the tropic of Cancer and the Arctic Circle.
- not mince your words — If you say that someone does not mince their words, you mean that they speak in a forceful and direct way, especially when saying something unpleasant to someone.
- notre dame mountains — a mountain range in E Quebec, Canada, an extension of the Green Mountains in Vermont and a portion of the Appalachian Mountains: about 500 miles (800 km) long, rising about 2000 feet (610 meters).
- object role modeling — (programming) (ORM) A conceptual modelling approach that pictures the application world as a set of objects that play roles (parts in relationships, which may be unary, binary or higher order). ORM provides both graphical and textual languages that enable models to be expressed naturally. For data modelling purposes, its graphical language is more expressive than ER or UML.
- objective relativism — the doctrine that knowledge of real objects is relative to the individual.
- omega-minus particle — a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω −.
- one's spiritual home — Your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there.
- ontological argument — an a priori argument for the existence of God, asserting that as existence is a perfection, and as God is conceived of as the most perfect being, it follows that God must exist; originated by Anselm, later used by Duns Scotus, Descartes, and Leibniz.
- ophthalmodynamometer — a device for determining the nearest point of ocular convergence.
- optical mark reading — the reading of marks by an optical device whereby the information can be stored in machine-readable form
- orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- pale western cutworm — the larva of a noctuid moth, Agrotis orthogonia, of the western U.S. and Canada, that seriously damages grains, beets, potatoes, alfalfa, etc., by feeding underground on roots and stems.
- paper chromatography — the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel.
- parametric amplifier — a device, as an electron tube or transistor, that amplifies a high-frequency input signal by sinusoidally varying the reactance of the circuit.
- parametric equalizer — an electronic device for cutting or boosting selected frequencies by continuous narrowing or widening of the frequencies to be filtered
- parametric equations — one of two or more equations expressing the location of a point on a curve or surface by determining each coordinate separately.
- particle beam weapon — a weapon that fires particle beams into the atmosphere or space
- patent foramen ovale — a congenital heart defect resulting from failure of the foramen ovale to close shortly after birth.
- paternal grandmother — the mother of someone's father
- peak programme meter — an instrument for assessing the maximum levels of an electrical sound signal
- pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
- peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
- peremptory exception — a plea in bar of an action.
- periodontal membrane — the collagenous, fibrous connective tissue between the cementum of the tooth and the alveolus.
- personnel department — business: human resources
- personnel management — the branch of management dealing with staff recruitment and matters relating to employees
- peruvian mastic tree — a pepper tree, Schinus molle.
- physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
- play merry hell with — to disturb greatly; disrupt
- poor man's something — a (cheaper) substitute for something
- population parameter — a quantity or statistical measure that, for a given population, is fixed and that is used as the value of a variable in some general distribution or frequency function to make it descriptive of that population: The mean and variance of a population are population parameters.
- portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
- potassium bichromate — an orange-red, crystalline, water-soluble, poisonous powder, K 2 Cr 2 O 7 , used chiefly in dyeing, photography, and as a laboratory reagent.
- potassium bitartrate — cream of tartar.