Anesthesia
Part of speech: noun
Definition: A method of preventing sensation, used to eliminate pain. The loss or prevention of pain, as caused by anesthesia.
Example sentence: The state should, I think, be called 'anesthesia.' This signifies insensibility.
Anaesthesia
Part of speech: noun
Definition: A method of preventing sensation, used to eliminate pain.The loss or prevention of pain, as caused by anesthesia.