C1nounformalscienceacademic
US/dɪˈfjuː.ʒən/
UK/dɪˈfjuː.ʒən/
the slow spread of something, such as a gas, light, an idea or a custom, over a wide area
In context
The diffusion of gases through the thin wall happens without any pump.
Historians study the diffusion of new farming methods across Europe.
The frosted glass causes the diffusion of light, so the room feels soft.
Words that go with diffusion
noun + preposition
- diffusion of knowledgeThe printing press sped up the diffusion of knowledge.
- diffusion of innovationThe course covers the diffusion of innovation in rural areas.
- diffusion of lightThe lamp shade softens the diffusion of light.
adjective + noun
- rapid diffusionRapid diffusion of the technology changed many industries.
- cultural diffusionTrade routes encouraged cultural diffusion between regions.