gail, gail, gail
In the time it took to post your question you could have looked up fhe word in an on-line dictionary!
I am not trying to be a jerk, really. A lot of teachers respond to these posts this way because if we just give you the answer, if you get the same question tomorrow and approach it the same way, odds are you still will not the know the answer
HINT: A rebuttal has to do with facts or evidence