【化】 impervious graphite
nay; no; non-; nope; not; without
【医】 a-; non-; un-
filter; infiltrate; infiltration; interpenetrate; interpenetration; penetrate
penetration; perk; permeate; pervade; pervasion; saturation; sink; soak; sop
【计】 bleed-through; percolation
【化】 effusion; infiltration; osmosis
【医】 diosmosis; osmo-; osmose; osmosis; permeation
black lead; graphite; plumbago; pot lead
【化】 black lead; graphite; mineral black; mineral carbon; pot lead
【医】 black leaching; graphite; plumbago