grateless

grateless

(ˈɡreɪtlɪs)
adj
(of a fireplace, etc) having no grate
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Emissions from grated fires contained 5.97 grams of CO per megajoule of thermal energy delivered to the pot, less than half of the carbon monoxide of grateless fires.