单词 | retrogradatory |
释义 | † retrogradatoryadj. Obsolete. Retrograde; backward; acting to reverse something. ΘΚΠ the world > movement > motion in a certain direction > backward movement > [adjective] > turning back or reversing course > serving to reverse reversing1654 retrogradatory1788 1788 W. Fairman Treat. Geogr. 296 The swifter motion of the body in a circumscribed circle will sometimes cause an apparent stationary or retrogradatory appearance in the moving body. 1797 Monthly Mag. 3 383 The Retrogradatory Machine consists of an axle, suspended horizontally on its centre points [etc.]. 1832 E. Robinson Calmet's Dict. Holy Bible (rev. ed.) 347/2 They produced the change, or retrogradatory motion, of the place of the shadow in the dial. This entry has been updated (OED Third Edition, March 2010; most recently modified version published online September 2020). < adj.1788 |
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