abrasax
n. C2 Proficiency abrasax
n. a very old word for a type of small, hard stone or rock. It is mostly used by people who study history or old languages.
n. a small, hard, or rough stone, specifically a type of flint or chert. Archaic in modern usage, primarily found in historical or geological contexts.
The ancient tools were made from abrasax.
Archaeologists identified the sharp edges of the stone as being made from abrasax, a material common to the region.
The manuscript describes the construction of a primitive hearth using abrasax to create a durable surface for the fire.