rimlessadj.
/ˈrɪmlᵻs/, U.S. /ˈrɪmlᵻs/ Having no rim; without a rim or rims.
ΘΚΠ
the world > space > relative position > condition of being external > edge, border, or margin > [adjective] > having an edge or border > not
framelessa1684
rimless1800
edgeless1869
1800 D. Wordsworth Grasmere Jrnls. 10 June (1991) 10 The younger [boy] whose hat was only a rimless crown, had it stuck round with laurel leaves.
1832 J. Wilson in Blackwood's Edinb. Mag. 32 178 That small, spokey, but rimless wheel.
1897 Westm. Gaz. 8 May 1/3 Wearing an immaculate frock-coat and a rimless eyeglass.
1908 Sears, Roebuck Catal. No. 117. 187/2 Rimless spectacles are the very latest and most stylish spectacles made.
1919 E. A. Powell Army behind Army 247 Changing the magazine, chamber, and bore of the Enfield rifle so that it would take the U.S. service .30-calibre rimless cartridge.
1966 Times 27 Aug. 12/2 The older men still wear..the traditional rimless hat of black, red and gold.
2007 Philadelphia June 164/2 His glasses are rimless and modern.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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adj.1800