The material that transmits nearly all the light in a ray because it offers little resistance to it is called transparent.

Here's why:

* Transparent: Materials like glass, water, and air allow most light to pass through them with little absorption or scattering. This is because the atoms and molecules in these materials are arranged in a way that doesn't significantly interfere with the passage of light waves.

Let me know if you'd like more details on transparency or other optical properties of materials!