Wiktionary (0.00 / 0 votes) Rate this definition: collective (Noun). A farm owned by a collection of people. collective (Noun). A collective noun or name. collective (Noun). A group dedicated to a particular cause or interest. collective (Adjective). Formed by gathering or collecting; gathered into a mass, sum, or body; congregated or aggregated; as, the collective body of a nation.
Stomach ulcers are the most visible sign of peptic ulcer disease. They occur when the thick layer of mucus that protects your stomach from digestive juices is reduced, thus enabling the digestive acids to eat away at the lining tissues of the stomach.
Persons who have an ulcer may or may not experience any symptoms. 1  Symptoms associated with an ulcer can include: 2  A gnawing or burning pain in the abdomen. 3  Blood in vomit or stool. 4  Loss of appetite. 5  Loss of weight. 6  Weakness. 7  Tiredness. 8  Vomiting. 9  Nausea.