翻訳と辞書 Words near each other ・ directive ・ directly ・ directness ・ directoire style ・ director ・ directorate ・ directorial ・ directorship ・ directory ・ directress ・ directrix ・ direful ・ direly ・ dirempt ・ diremption ・ direness ・ direption ・ direptitious ・ direptitiously ・ dirge Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Directrix ： 英英辞書 Direct"rix (), n.; pl. E. Directrixes (), L. Directrices (). 1. A directress. [R.] Jer. Taylor. 2. (Geom.) (a) A line along which a point in another line moves, or which in any way governs the motion of the point and determines the position of the curve generated by it; the line along which the generatrix moves in generating a surface. (b) A straight line so situated with respect to a conic section that the distance of any point of the curve from it has a constant ratio to the distance of the same point from the focus. スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.