tetragonal
/teˈtrægənəl/adjective
- of or denoting a crystal system or three-dimensional geometrical arrangement having three axes at right angles, two of them equal四角形的, 四方（晶）的。
派生词
tetragonally
adverb词源
late 16th cent.: via late Latin from Greek tetragōnon （neuter of tetragōnos 'four-angled'） + -AL.