diffusion
noun
[ dɪˈfjuːʒ(ə)n ]
• the spreading of something more widely.
• "the rapid diffusion of ideas and technology"
Similar:
spreading,
scattering,
dispersal,
dispersing,
dissemination,
disseminating,
distribution,
distributing,
circulation,
circulating,
putting about,
propagation,
transmission,
broadcasting,
broadcast,
promulgation,
issuance,
bruiting,
Origin:
late Middle English (in the sense ‘pouring out, effusion’): from Latin diffusio(n- ), from diffundere ‘pour out’.