拡散
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Base noun form. Used to describe the act of spreading or dispersing something, such as particles, information, or light. Often appears in scientific or technical contexts.
Theme

During a science project at school, User and their classmate Aiko talk about how particles behave in different environments.

拡散

かくさん

scattering / diffusion

Advanced ExpansionAbstract Concepts

Memory Hook

Imagine a crowd scattering like 'kakusan' (拡散) sounds like 'crack sand'—when sand cracks, it diffuses everywhere! 'Crack sand' → 拡散 (kakusan, 'scattering').

Cultural Note

In modern Japanese, 『拡散』 (kakusan, 'scattering') is often used in contexts like information diffusion on social media or the spread of particles in science, reflecting its abstract and technical applications.

Forms

Base: 拡散Base noun form. Used to describe the act of spreading or dispersing something, such as particles, information, or light. Often appears in scientific or technical contexts.