单词 | rille |
释义 | rillen. Astronomy. A long narrow fissure or channel on the surface of the moon; spec. (more fully sinuous rille) a winding one thought to have been created by molten lava. Hence: a similar channel on any planet or satellite. Cf. rill n.2 3. ΘΚΠ the world > the universe > planet > primary planet > moon > [noun] > surface of > trench rille1859 rill1862 1859 Monthly Notices Royal Astron. Soc. 20 46 The southern..is separated from the northern by a narrow rille. 1878 J. N. Lockyer Stargazing 350 Hours may be spent in examining the craters, rilles, and valleys on the surface. 1957 New Scientist 7 Nov. 16 Criss-crossing the lunar surface there are alignments of mountains, valleys and trench-like formations called rilles. 1969 Lunar Explor. (Space Sci. Board, Nat. Sci. Council, U.S.) v. 29 The numerous sinuous rilles of the moon indicate the flow of some fluid. 2001 N.Y. Times (Nexis) 29 May f4 The new image shows the hill covered with the kinds of rilles and ridges that exist everywhere else on Mars. 2007 S. R. Taylor in L. A. Adams et al. Encycl. Solar Syst. (ed. 2) xii. 241 The sinuous rilles should not be confused with the straight or arcuate rilles, which are grabens of tectonic origin. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1859 |
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