- 1Distribute or spread over a wide area: storms can disperse seeds via high altitudes camping sites could be dispersed among trees so as to be out of sightMore example sentences
- Suburban office and industrial parks and shopping centers competed successfully with central business districts, dispersing economic activity over wide areas.
- The heat from the fire causes the pine cones to explode, dispersing seed over a wide area.
- When confronted with those distributions, many of us probably reason that some species indeed are dispersed over a wide area on the wintering grounds.
- 1.1Go or cause to go in different directions or to different destinations: [no object]: the crowd dispersed [with object]: the police used tear gas to disperse the protestersMore example sentences
- Once they were through clapping, the crowd dispersed into different directions.
- Interior minister Francois Boko said soldiers had fired warning shots to disperse a crowd of protesters who had surrounded their vehicle in the neighbourhood of Be, an opposition stronghold.
- A handful of local people get off the bus, dispersing in different directions.
- 1.2(With reference to gas, smoke, mist, or cloud) thin out or cause to thin out and disappear: [no object]: the earlier mist had dispersed [with object]: winds dispersed the bomb’s radioactive cloud high in the atmosphereMore example sentences
- The sun had gone, I was too late in the day, and the mist had risen and dispersed, coating the sky an even grey.
- Aerobic activities like cross-country skiing demand thin layers that rapidly disperse sweat and body heat - keeping you cool, not warm.
- The location could not have been better: within easy reach of Washington, yet protected by the Allegheny mountains and with prevailing winds from Canada to disperse any radiation.
- 1.3 Physics Divide (light) into constituents of different wavelengths.More example sentences
- A flat slab of the stuff would focus light, rather than dispersing it, as normal materials would.
- Light at each end of the optical spectrum is dispersed by a different amount, since the refractive index of any medium depends on frequency.
- When a source (such as the sun) gives off light, that light can be dispersed into a rainbow spectrum by a prism or diffraction grating.
- 1.4 Chemistry Distribute (small particles) uniformly in a medium.More example sentences
- When polymer latexes are mixed with fresh cement grout, the polymer particles are uniformly dispersed in the cement paste phase.
- The aggregates are subjected to ultrasonic wave irradiation or shear stress with a homogenizer to give more uniformly dispersed composite particles.
- A solution is a homogenous mixture of two or more substances in which the particles are completely dispersed.
adjective[attributive] Chemistry Back to top
- Denoting a phase dispersed in another phase, as in a colloid: emulsions should be examined after storage for droplet size of the disperse phaseMore example sentences
- The particles are referred to as the disperse phase while the other phase is termed the dispersion medium or continuous phase.
- Technically, the liquid which forms droplets is known as the disperse phase, and the liquid in which these drops are scattered is known as the dispersion medium.
- The colloidal particles of the disperse phase are equivalent to the solute of a solution and the continuous phase is equivalent to the solvent.
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- Many juveniles (mainly short-distance dispersers; data not shown) made exploratory trips before dispersal, usually of distances of less than 1 km from the birth site.
- In particular, they may attract a diverse array of seed dispersers by offering an essential, but scarce micronutrient.
- I ranked the fatness of dispersers (in the year before they dispersed) and the fatness of other workers of similar length in the colonies from which they dispersed.
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- It is especially common in soils that have high expansion rates and/or highly dispersible clay minerals, and in locations which experience intense sequences of wet and dry periods.
- He has huge quantities of a nasty and virulent form of the anthrax virus, and is currently engaged in further developing the more easily dispersible and effective dry micro-powder forms.
- To minimize this problem, chemical companies developed the dry flowable and water dispersible granular formulations.
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- This signal at extended wavelengths outside of absorbance bands is characteristic of the dispersive part of differential light scattering.
- Reduce the risk of chemical bums by preventing antiseptic agents from pooling under the patient, electrosurgical unit dispersive pad, electrodes, or pneumatic tourniquets.
- It is clear from our studies that although dispersive light scattering perturbs band intensities, neither absorption flattening nor differential scattering is sufficient to account for these changes.
late Middle English: from Latin dispers- 'scattered', from the verb dispergere, from dis- 'widely' + spargere 'scatter, strew'.