(View exact match)midpointCATEGORY: artifact
DEFINITION: In lithics, an imaginary point a the intersection of the Midline and the transverse line.
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DEFINITION: In lithics, an imaginary line extending along the center of a projectile from the distal tip to the midpoint of the basal edge.pass-throughCATEGORY: feature
DEFINITION: An opening similar to a doorway but too small for an adult to fit through. It occurs at or below the vertical midpoint of a wall.