Sentence:  It was in the kitchen , as she was watching the kettle , waiting for the <WSD>water</WSD> to boil , that he had grabbed for her . 
Meaning of the word marked with <WSD> tags:  binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent