お湯が沸騰してなくなった。
Sentence Analyzer
English Translation
        The water has boiled away.
    
Furigana
        お湯 が沸騰 してなくなった。
    
Romanji
        Oyu ga futtōshite nakunatta.
    
Words
            
                お湯
            
            
                (おゆ)
            
        
        
            hot water; hot bath
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                沸騰
            
            
                (ふっとう)
            
        
        
            boiling; seething
        
    
            
                無くなる
            
            
                (なくなる)
            
        
        
            to be lost (e.g. luggage); to be missing; to be used up; to be run out; to be exhausted; to be consumed; to be reduced to zero; to not occur any more; to disappear (e.g. pain); to be lost (e.g. a dream, confidence)