Sentence:  This deforestation in the name of beef has meant the loss of 10 million <WSD>hectacres</WSD> in the Brazilian Amazon since 1996. You don't even have to know what a <WSD>hectacre</WSD> is to know the situation is severe (btw a <WSD>hectacre</WSD> is 10,000 square meters, ...). 
Meaning of the word marked with <WSD> tags:  Hectare.