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.
Anesthesia is a way to control pain during a surgery or procedure by using medicine called anesthetics. It can help control your breathing, blood pressure, blood flow, and heart rate and rhythm. Anesthesia may be used to: Relax you. Block pain. Make you sleepy or forgetful. Make you unconscious for your surgery. Other medicines may be used along with anesthesia, such as ones to help you relax or to reverse the effects of anesthesia. What are the types of anesthesia? Local anesthesia numbs a small part of the body for minor procedures.