"Tetradecahedral" Natural Recordings by Native Speakers
Exhibiting the structure of a tetrahedron, a three-dimensional shape having four triangular faces, six straight edges, and four vertexes.
A group of four things that are associated with or characteristic of something in particular.<br><br>Example: The government is on a tetrad of low inflation, low unemployment, and low crime rates.<br><br>Or, a four-part or four-stage structure or sequence.<br><br>Example: The tragedy consists of a tetrad of events that unfolds in a specific order.