A mass of rock matrix which neither transmits nor stores water in significant quantities is called an "aquifuge".
⇑ Translate the sentence above by Google ⇑
Related: transmit, matrix
Prev: America's education system has become less a ladder of opportunity than a structure to transmit inequality from one generation to the next.
Next: Since most camera flashes emit IR along with their burst of visible light, the one substitution allowed the prototype to transmit and record infrared light.