English

Adjective

copperbottomed ‎(comparative more copperbottomed, superlative most copperbottomed)

1. Alternative form of copper-bottomed
   • 1971, New Scientist (volume 51, number 768, 9 September 1971, page 596)

     Why should 100 per cent, cast-iron, copperbottomed, utterly water-tight proof be demanded before we can get rid of an unnecessary toxic hazard introduced in a cavalier and irresponsible manner […]

   • 1995, Peter Schrijver, Studies in British Celtic historical phonology (page 402)

     Unfortunately, there are as yet no copperbottomed etymologies […]