mortarlessadj.
/ˈmɔːtələs/, U.S. /ˈmɔrdərləs/ Without mortar.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > cement or mortar > [adjective] > devoid of
mortarless1667
cementless1856
1667 E. Waterhouse Short Narr. Fire London 87 The Stones of Structures Mortarless.
1855 P. G. Hamerton Isles Loch Awe 129 They found a little tower of shapeless stones, Built mortarless, and rudely circled there.
1886 Athenæum 31 July 152 The remains of mortarless stone churches.
1916 Sci. Monthly Dec. 590 Man has learned how to build..so as to withstand even violent earthquake shocks, as evidenced by the wonderful mortarless masonry of the Incas.
1996 M. D. Russell Sparrow xxx. 361 The gray dressed-stone walls nearly mortarless and shining like polished granite.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1667