rounded-offadj.
/ˌraʊndᵻdˈɒf/, U.S. /ˌraʊndədˈɔf/, /ˌraʊndədˈɑf/ 1. Having round or curved edges; that has been made round, convex, or curved by trimming off the angles.
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1841 Jrnl. Asiatic Soc. Bengal 10 i. 459 The rounded off and transversely arched ridge line of the frontals is made to define the occipital plane.
1897 T. C. Allbutt et al. Syst. Med. II. 1087 The members of which..are characterised by..a rounded-off head carrying a terminal mouth.
1937 S. F. Armstrong Brit. Grasses (ed. 3) vii. 149 Young shoots flattened, with rounded-off keels.
1984 G. Jennings Journeyer 290 The men swung heavy sticks..at an object they called the pulu, a rounded-off knot of willow wood.
2004 H. Strachan Make a Skyf, Man! iii. 25 The geomorphology is curious here: strange hemispheres and rounded-off obelisks of igneous rock.
2. Of a number: approximated by rounding off; = rounded adj. 11.
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the world > relative properties > number > mathematical number or quantity > [adjective] > describing particular qualities > approximate
rounded1881
rounded-off1890
1890 Amer. Druggist 19 57/2 The proportions as established by the rounded-off figures.
1947 Math. Tables & Other Aids Computation 2 286 He had taken 10-figure logarithms of rounded-off quantities containing only five or six significant figures.
1991 J. Jagger Nucl. Lion vi. 88 It is..only a fraction of a single atomic weight unit, and therefore it does not show up in the rounded-off numbers.
2009 Vancouver Sun (Nexis) 10 Dec. c4 The looming tax bill? It will soar 20 to 40 per cent. To grasp why, look at some rounded-off figures that are very close to the numbers for a typical site.
This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).
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adj.1841