Kaolin and Till

Kaolin noun - A fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper).

Till and kaolin are semantically related. in workable earth material topic. In some cases you can use "Till" instead a noun "Kaolin".

Till noun - Unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together.

Kaolin and till are semantically related. You can use "Kaolin" instead a noun "Till".