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Word of the Day Saturday, August 29, 2026

diffusive

/dɪˈfjuːsɪv/ adjective · British & US
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What does diffusive mean?

The term diffusive refers to the tendency of a substance, energy, or phenomenon to spread or diffuse in all directions. This can occur through various means, such as the diffusion of gases, the spreading of heat, or the dispersal of particles. In formal or technical contexts, diffusive is often used to describe the spreading or diffusion of substances, heat, or energy. In informal contexts, it may be used to describe the widespread or thorough nature of something. The term is often used in fields such as physics, chemistry, and materials science to describe the behavior of substances and systems. Overall, diffusive is a useful term for describing the spreading or diffusion of substances, heat, or energy in various contexts.

adjective

Tending to spread or diffuse in all directions; spreading or diffusing widely or thoroughly.

Senses
  1. Tending to spread or diffuse in all directions; spreading or diffusing widely or thoroughly.
Example

"The diffusive properties of the new material made it ideal for insulation."

More examples

"The diffusive properties of the new material made it ideal for insulation."

"The diffusive nature of the gas allowed it to spread quickly throughout the container."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of diffusive

The term diffusive comes from the Latin word 'diffusus,' meaning 'scattered' or 'dispersed.' It entered the English language in the 17th century and has since been used in various contexts to describe the spreading or diffusion of substances, heat, or energy. The term is closely related to other words such as 'diffuse' and 'diffusion,' which also describe the spreading or diffusion of substances or energy.

How diffusive is actually used

In formal or technical contexts, diffusive may be used to describe the spreading or diffusion of substances, heat, or energy. In informal contexts, it may be used to describe the widespread or thorough nature of something.

What's another word for diffusive?

What's the opposite of diffusive?

Rhymes with diffusive