Sternutation
A sneeze is a sudden, forceful, involuntary burst of air through the nose and mouth.
See also:
Sneezing is caused by irritation to the mucous membranes of the nose or throat. It can be very bothersome, but is generally not a sign of a serious problem.
Bahls C. In the clinic: allergic rhinitis. Ann Intern Med. 2007;146(7):ITC4-1-ITC4-16.
Saleh HA, Durham SR. Perennial rhinitis. BMJ. 2007;335(7618):502-507.