Definisi dalam bahasa Inggris
trigonal
/'tr/I/g/@/n/-/l /adjective (a)
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Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles. (adjective)
Sumber: webster1913
adjective satellite (s)
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having threefold symmetry (adj.all)
Sinonim: rhombohedral
Sumber: wordnet30