Distention means being enlarged and sticking out. Your symptoms could be caused by a virus or constipation, but check with your doctor to rule out any more serious conditions.
It means your Stomach is Distended or Swollen. This can happen for many reason and is not enough for a Diagnosis. Often Blood test, or a sonogram can help to find the problem.
This sounds like you have some gas and bloating. Try taking some fiber daily and see if it goes away. Tums might help with this situation as well. If it doesn't go away, see your doctor.
