as dry as a chip

as dark as a stack of black cats as dark as night as dead as a dodo as deaf as a post as deep as a well as defined in article as different as chalk from cheese as different as light from dark as directed as drunk as a fiddler as drunk as a lord as drunk as a piper

heat-carrying agent heat-conducting heat-degradation heat-disposable pattern heat-exchange equipment heat-exchanger heat-exhaustion heat-eye tube heat-forming food heat-hyperpyrexia