0 Something that is porous has many small holes, so liquid or air can pass through, especially slowly:
1 allowing liquid or air to pass through:
porous soil
X-ray streak camera is used for evaluation of the speed of energy transfer through the porous foam material.
Effects of salt concentration changes during freezing on the unfrozen water content of porous materials.
Discussion was itself understood as enacting social change - it was the sign of a more porous but also more rational society.
They did not necessarily halt the traffic-porous borders and administrative graft militated against the effectiveness of bans and controls-but prices were usually not left unaffected.
In general, the evidence is that biofilm that is closest to the substratum has the highest density, while the top layers remain "fluffy" and porous.
Coupled parallel flows in a channel and bounding porous medium of finite thickness.
Experimentally, it has been proven that the fine porous nano-structure of aerogels does not affect the ion energy loss and charge state distribution.
The porous medium is endowed with a heterogeneous microstructure.