1 adjective GEOL, CONSTR, CHEM of rock, material, etcpóiriúil adj2 c m uscagach adj1 c m u2 adjective of barrier, border, etcéadaingean adj c m uthe border has become more porousníl an teorainn chomh daingean agus a bhíodhthey're more porous to outside influencetá siad níos oscailte i dtaca le tionchar seachtrach