na-adjective, noun, noun or participle which takes 'suru', intransitive verb
penetration; permeation; transmission
Describes light, radiation, sound, or substances passing through a medium or barrier. Common in physics, engineering, and IT contexts. Also used figuratively for ideas or influences spreading through a group.
このガラスは紫外線を透過しません。
This glass does not transmit ultraviolet rays.
光がカーテンを透過して部屋が明るくなった。
Light penetrated the curtain and brightened the room.