Sentence:  When chlorine gas is passed in excess through salicylic <WSD>ether</WSD> (salicylae of ethyl) heated over a water-bath, a solid substance is formed which is soluble in hot alcohol, and crystallizes, on cooling, in beautiful colourless tables. This compound is "bichloruretted salicylic <WSD>ether</WSD>", formed from salicylic <WSD>ether</WSD> (Csub 
Meaning of the word marked with <WSD> tags:  Any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups.