adjective, sourer, sourest. 1. having an acid taste, resembling that of vinegar, lemon juice, etc.; tart. 2. rendered acid or affected by fermentation; fermented. 3. producing the one of the four basic taste sensations that is not bitter, salt, or sweet. 4. characteristic of something fermented: a sour smell.
General anesthetics normally are used to produce loss of consciousness before and during surgery. However, for obstetrics (labor and delivery) or certain minor procedures, an anesthetic may be given in small amounts to relieve anxiety or pain without causing unconsciousness.
General anesthesia: This is used to make sure you are completely asleep during surgery. General anesthesia can be used for most kinds of surgeries. The medicine is given through your IV, a face mask, or a tube in your nose or throat. Spinal or epidural anesthesia: This is used to numb you from your abdomen to your feet. Caregivers may numb you only to your waist, or up to your nipple line, depending on what kind of surgery you have. You may need this for childbirth or surgeries such as a hernia repair or removal of your appendix.