diffusible adjective. 
[dɪ'fju:zɪb(ǝ)l] L18.[from DIFFUSE verb + -IBLE. Cf. DIFFUSABLE.]Capable of diffusing or of being diffused; 
spec. (of fluids etc.) able to intermingle by diffusion.
 ■   diffusi'bility noun E19.  [TahlilGaran] English Dictionary ▲