diffuse (something) through (something)
To scatter or spread through a particular place or thing. Is there something I can use to diffuse the sunlight through this area for the photo? A second air conditioner should help to diffuse cold air throughout the entire house.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
diffuse something through something (else)
to distribute or scatter something through something else. The chemical process diffused the purple color through the liquid. Let us try to diffuse the medication through the bloodstream as rapidly as possible.
diffuse through something
to spread or scatter through something. The smell diffused through the office through the ventilating system. The dye diffused through the water rapidly.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.