cantellation
Initialism of north-northeast.
Without a port or harbour.
(geometry) An operation in any dimension that cuts a regular polytope at its edges and at its vertices, creating a new facet in place of each edge and of each vertex.
A tidal island of the Inner Hebrides, west of Mull and southeast of Iona.
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DiQt（ディクト）
無料
★★★★★★★★★★
