Sentence:  The sections were mounted on <WSD>cold</WSD> slides smeared with Haupts ' adhesive ( Johansen , 1940 ) in earlier experiments , and in later experiments with a different mixture of the same components reported by Schramm and Rottger ( 1959 ) . 
Meaning of the word marked with <WSD> tags:  having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration