as from opposite ends of a diameter; "when two honest witnesses give accounts of the same event that differ diametrically, how can anyone prove that the evidence you gave was deliberately false?"; "three of these brushes were approximately 120 feet apart and the fourth diametrically opposite to one of the three"直径の反対の終わりからのように正反対に
例:three of these brushes were approximately 120 feet apart and the fourth diametrically opposite to one of the three これらのブラシのうちの3つは、ばらばらで、およそ120フィートで、4番目は3つのうちのひとつとは正反対であった