1. Plural of anaesthesia; the state of being unable to feel pain, typically induced by drugs before surgery.
Usage: British English spelling; American English uses 'anesthesias'; Medical/clinical term
2. Plural of anaesthesia; loss of sensation or feeling in a part of the body or the whole body.
Usage: General medical sense

Examples

• The surgeon administered local anaesthesias to numb the patient's arm before the procedure.
• Different types of anaesthesias are used depending on the complexity of the surgery.
• General anaesthesias render the patient unconscious during major operations.
• The patient experienced temporary anaesthesias in her fingers after the dental work.
• Modern anaesthesias have fewer side effects than older formulations.
• The anesthesiologist monitored the patient's vital signs throughout the various anaesthesias.