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[trans-mi-siv-i-tee, tranz-] /ˌtræns mɪˈsɪv ɪ ti, ˌtrænz-/
noun, Physics.
a measure of the ability of a material or medium to transmit electromagnetic energy, as light.
Compare transmittance.
1910-15; transmiss(ion) + -ive + -ity Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for transmissivity
  • The decrease in transmissivity to the west is due to the thinning of the aquifer.
  • The models take into consideration the rate of natural recharge, total discharge, and aquifer transmissivity.
  • transmissivity estimates for individual fractures or fractures zones were not determined.
  • The transmissivity of the sands is a measure of the ease with which water will move through them.
  • transmissivity is a third way of measuring the capacity of an aquifer to transmit water of the prevailing viscosity.
  • T is the transmissivity of the aquifer, a measure of the resistance to water flow in the aquifer.
  • The ability of an aquifer to produce water is dependant on its transmissivity.
  • The water-transmitting characteristics of an aquifer are expressed as hydraulic conductivity and transmissivity.
British Dictionary definitions for transmissivity


(physics) a measure of the ability of a material to transmit radiation, equal to the internal transmittance of the material under conditions in which the path of the radiation has unit length
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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