noun
also an·aes·the·sia ˌanə̇sˈthēzhə
( -s )
Etymology: New Latin, from Greek anaisthēsia insensibility, from an- + aisthēsis feeling, perception (from aisthanesthai to perceive, feel) + -ia — more at audible
1.
a. : loss of sensation especially to touch usually resulting from a lesion in the nervous system or from some other abnormality — see glove anesthesia
b. : loss of sensation and usually of consciousness without loss of vital functions artificially produced by the administration of one or more agents that block the passage of pain impulses along nerve pathways to the brain
2. : temporary dullness of perception or sensitiveness
feeling the anesthesia of exhaustion — Norman Mailer