silcrete

English
A bifacial silcrete point from Blombos Cave, South Africa, Middle Stone Age (71,000 BCE)

Etymology

Blend of silica +‎ concrete.

Noun

silcrete (countable and uncountable, plural silcretes)

  1. An indurated duricrust formed when silica is dissolved and resolidifies as a cement.

Anagrams
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