| 释义 |
rotatory, a. and n.|ˈrəʊtətərɪ|
[See rotate v. and -ory.]
A. adj.
1. a. Of the nature of rotation; connected with rotation.
1755Johnson, To Wheel,..to have a rotatory motion. 1777Phil. Trans. LXVII. 266 A new Theory of the Rotatory Motion of Bodies affected by Forces disturbing such Motion. 1794G. Adams Nat. & Exper. Phil. III. xxxii. 308 The obstacles in the rough road cause this rotatory motion in the wheel. 1833Herschel Astron. vii. 234 By a sufficient rotatory velocity. 1845Todd & Bowman Phys. Anat. I. 145 A rotatory movement at the hip-joint. 1882Minchin Unipl. Kinematics 22 The theory of the rotatory polarisation of quartz.
b. Rotating; working by means of rotation.
1812H. & J. Smith Rej. Addr. 89 Pure child of Chance, which still directs the ball, As rotatory atoms rise or fall. 1837Brewster Magnet. 112 Trying if the magnetic needle would be dragged along by the rotatory plates. c1850Rudim. Nav. (Weale) 67 The track of five..rotatory storms. 1892Stevenson Across the Plains ii. 93 Urging their horses with cries..and cruel rotatory spurs.
c. Causing rotation.
1828Stark Elem. Nat. Hist. II. 444 Rotatory organ quadrilobed. 1871T. R. Jones Anim. Kingd. (ed. 4) 476 A small oval orifice situated near the sinuated disk formed by the rotatory organs. Ibid., The rotatory apparatus.
2. Going round, or coming, in rotation.
1824W. Taylor in Monthly Rev. CIII. 193 This principle of frequent rotatory election. 1831W. Godwin Thoughts Man 97, I become..wearied with the repetition of rotatory acts and every-day occurrences.
B. n. A rotifer. (Cf. rotator 3.)
1835Kirby Hab. & Inst. Anim. I. iv. 154 The Rotatories, to which the wheel-animalcules belong. |