Sentence:  On May 15 , a very <WSD>large</WSD> increase occurred with * * f of mass between * * f and * * f ; for the next two days , the impact rate was * * f ; and for the next nine days , the impact rate was less than * * f ( Nazarova , 1960 ) . 
Meaning of the word marked with <WSD> tags:  above average in size or number or quantity or magnitude or extent