Sentence:  But is that not like going to a chemistry laboratory and blindly pouring out liquids and powders from an array of <WSD>bottles</WSD> and then , after stirring , expecting a new wonder drug inevitably to result ? 
Meaning of the word marked with <WSD> tags:  a glass or plastic vessel used for storing drinks or other liquids; typically cylindrical without handles and with a narrow neck that can be plugged or capped