Step 1 : Introduction to the question "What is "eructation?""
..."Eructation" is the medical term for burping, something everyone does at some time. The air expelled during eructation originates either in the stomach or esophagus. The burp can be accidental or sometimes purposeful. Some of the causes of eructation include swallowing of air while eating, a nervous habit or medical conditions such as ulcers or gallbladder issues. Eructations are welcome in some cultures as a sign of appreciation after a meal. Source: Reference.com
