| 释义 |
‖ nubecula|njuːˈbiːkjuːlə|
Pl. -culae.
[L. nūbēcula little cloud, dark spot, dim. of nūbēs cloud. So F. nubécule.]
1. Path.
a. A cloudy formation in urine.
1699Woodward in Phil. Trans. XXI. 197 Large thin Masses, appearing like Nubeculæ, or Clouds in the Water. 1744tr. Boerhaave's Lect. The. Physic III. 149 The Nubeculæ or Clouds proceed chiefly from the muriatic Salt. 1857–in Mayne Expos. Lex., and later Dicts.
b. A speck or small cloud in the eye.
1727–38Chambers Cycl. s.v., The nubecula seems to arise from certain gross particles detained in the pores of the cornea, or swimming in the aqueous humour. 1758J. S. Le Dran's Observ. Surg. (1771) Dictionary, Leucoma, a Disease of the Cornea, called also Albugo, Nubecula. 1859–in Worcester and some later Dicts.
2. Astron. One or other of the Magellanic Clouds.
1842Penny Cycl. XXII. 449/2 There is no account of the celebrated Nubeculæ (major and minor), two very large patches of Milky Way not far from the south pole. 1855H. J. S. Smith in Oxford Ess. 128 We can feel no absolutely insuperable difficulty in admitting, within the globe of Nubecula Major, of the presence of distinct stars as well as nebulae. |