tetragonalWiktionary 原文/tɛˈtræɡənəl/构词拆解tetragontetragon词干al-al后缀-alOf or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also. · Forming nouns, especially of verbal action.词源说明From tetragon + -al.释义形容词adjective1Having four sides, like a tetragon.2(crystallography) Having two equal axes and one unequal, and all angles 90°.同族词派生词 5nontetragonal·