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[ noun ] a metric unit of length equal to one millionth of a meter
Synonyms Used in print (J. F. Vedder, "Micrometeorites", in Francis S. J...)The solar electromagnetic - and corpuscular-radiation_pressure and the associated Poynting-Robertson effect increase in effectiveness as the particle size decreases and modify the distribution and limit sizes to larger than a_few microns . (LeRoy Fothergill, "Biological Warfare", in Peter...)Very small particles , however , in a size range of 1 to 4 microns in diameter are capable of passing these impinging barriers and entering the alveolar_bed of the lungs . Zinc_cadmium_sulfide in particles of 2 microns in size were disseminated . A satisfactory cloud was produced even_though these nozzles were only about 5 per_cent efficient in producing an initial cloud in the size range of 1 to 5 microns . Related terms |
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