dissemination

英 [dɪ,semɪ'neɪʃn] 美[dɪ,sɛmə'neʃən]

• n. 宣传；散播；传染（病毒）

1. the opening of a subject to widespread discussion and debate

2. the property of being diffused or dispersed

3. the act of dispersing or diffusing something;

"the dispersion of the troops"

"the diffusion of knowledge"