密网格穹隆
网格球顶

[ noun ]
a lightweight dome constructed of interlocking polygons; invented by R. Buckminster Fuller
<noun.artifact>

geodesic dome \ge`o*des"ic dome\, n.
A domelike structure invented by R. Buckminster Fuller, in
which straight structural parts are connected to form
interlocking polygons, affording great strength and rigidity
combined with light weight. The typical form has the outlines
of the top half of an icosahedron, with the triangular spaces
filled with structural members forming triangles, hexagons,
and squares.
[PJC]