American Heritage® Dictionary of the English Language, Fourth Edition
- n. The act or process of dispersing.
- n. The state of being dispersed.
- n. The Diaspora of the Jews.
- n. Statistics The degree of scatter of data, usually about an average value, such as the median.
- n. Physics Separation of a complex wave into its component parts according to a given characteristic, such as frequency or wavelength.
- n. Physics Separation of visible light into colors by refraction or diffraction.
- n. Chemistry See disperse system.
Century Dictionary and Cyclopedia
- n. The act of dispersing or scattering.
- n. The state of being dispersed or scattered abroad: as, the dispersion of the Jews.
- n. In optics, the separation of the different colored rays in refraction, arising from their different, wave-lengths. The point of dispersion is the point where refracted rays begin to diverge. When a ray of sunlight is made to pass through prisms of different substances, but of such angles as to produce the same mean deviation of the ray, it is found that the spectra formed are of different lengths. Thus, the spectrum formed by a prism of oil of cassia is found to be two or three times longer than one formed by a glass prism; the oil of cassia is therefore said to disperse the rays of light more than the glass, or to have a greater dispersive power. It is also found that in spectra formed by prisms of different substances the colored spaces have to one another ratios differing from the ratios of the lengths of the spectra which they compose; and this property has been called the irrationality of dispersion or of the colored spaces in the spectrum. See
- n. In medicine and surgery, the scattering or removal of inflammation from a part and the restoration of the part to its natural state.
- n. In mathematics, the excess of the average value of a function at less than an infinitesimal distance from a point over the value at that point, this excess being divided by 1/10 of the square of the limiting infinitesimal distance.
- n. In physiol, optics, the blurring of the retinal image due to faulty accommodation.
- n. In botany, the distribution of seeds and of plants by various means, as by the wind, by birds and animals, etc.
- n. The tendency of material particles or bodies, including conscious individuals, to go apart, as from a center; hence, in the phenomena of population, the continual breaking down and dispersing of aggregations, counteracting a tendency toward concentration. See law of *aggregation.
- n. The state of being dispersed; dispersedness.
- n. A process of dispersing.
- n. The degree of scatter of data.
- n. optics The separation of visible light by refraction or diffraction.
- n. medicine The removal of inflammation.
GNU Webster's 1913
- n. The act or process of scattering or dispersing, or the state of being scattered or separated
- n. (Opt.) The separation of light into its different colored rays, arising from their different refrangibilities.
- n. the act of dispersing or diffusing something
- n. the spatial or geographic property of being scattered about over a range, area, or volume
- n. spreading widely or driving off
“The particular works of each are manifestations of the general character of his lifework, whether it was of faith and love whereby alone we can please God and escape condemnation. pass -- Greek, "conduct yourselves during." sojourning -- The outward state of the Jews in their dispersion is an emblem of the sojourner-like state of all believers in this world, away from our true Fatherland. fear -- reverential, not slavish.”
“A very famous and well-known example of dispersion is illustrated on the cover of a classic Pink Floyd album:”
“In any case, in this example, dispersion is acceptable.”
“This, however, was not soon to be done; the dispersion from the meadow having been made in every possible direction.”
“One way the pros try to take advantage of high implied correlation is by using an arbitrage strategy called a dispersion trade: They buy options on an individual stock and sell options on an ETF.”
“Dispersion is characterized mathematically by what is called a dispersion relation, a functional relationship between the frequency of a wave and its wavenumber in the medium, i.e. ω = ω (k).”
“The physics here involves dispersion, which is a generic property of wave mechanics in media.”
“The institution of the period survey has ensured that this concept remains central to the distribution of cultural credentials, and literary cultivation has frequently been represented as Foucault represents genealogy: as a historical refraction of the self that locates a paradoxical sort of immortality in dispersion.”
“Like his brother Jude he wrote an Epistle which was addressed to the twelve tribes of the dispersion, that is, to the Jewish Christians who were scattered throughout the Roman world.”
“The next important historical epoch which demands our attention is that connected with what, in sacred history, is known as the dispersion at”
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