(automotive) A diffuser which uses exhaust gases to generate aerodynamic forces.

Extremely diffuse. / (astronomy) Specifically, designating a type of galaxy with a very low proportion of visible stars compared to the Milky Way, and hence a very low luminosity.

(medicine) calcification of ligaments near their attachment points to the spine

An aggressive white blood cell cancer, the most common type of non-Hodgkin lymphoma among adults.

plural of diffuse large B-cell lymphoma

Of or pertaining to diffusion.

That does not involve diffusion.

Of or pertaining to diffusionism

A proponent of diffusionism

plural of diffusionist