Definition of sternutation in US English:

sternutation

noun

formal
  • The action of sneezing.

    • ‘According to mythology, the first sign of life Prometheus's artificial man gave was by sternutation.’
    • ‘And all three forget their sectional differences in a delightful concert of sternutation.’
    • ‘Being unable to contain her excitement at the prospect of being walked, the dog suffers fits of sternutation whenever she sees her leash.’

Origin

Late Middle English: from Latin sternutatio(n-), from the verb sternutare, frequentative of sternuere ‘to sneeze’.

Pronunciation

sternutation

/ˌstərnyəˈtāSHən/