What Causes Nausea or Vomiting? Nausea and vomiting are not diseases, but they are symptoms of many conditions such as: Motion sickness or seasickness; Early stages of pregnancy (nausea occurs in approximately 50%-90% of all pregnancies; vomiting in 25%-55%) Medication-induced vomiting; Intense pain; Emotional stress (such as fear) Gallbladder disease
Souring definition, having an acid taste, resembling that of vinegar, lemon juice, etc.; tart. See more.
A sour wine, moreover, or a souring, for its influence on the mood of those who drank it was to make them gloomy. View in context This ill-luck had given a gentle melancholy to his countenance, but instead of souring his nature had sweetened it, so that he was quite the humblest of the boys.