porous

1 ENTRIES FOUND:
porous /ˈporəs/ adjective
porous
/ˈporəs/
adjective
Britannica Dictionary definition of POROUS
[more porous; most porous]
1 
: having small holes that allow air or liquid to pass through
2 
: easy to pass or get through

— porosity

/pəˈrɑːsəti/ noun, technical [noncount]