Webster's Revised Unabridged Dictionary · 1913

analgesic

analgesic (an`al*jē"zik or an'l*jē"zik) , adjective

[New Latin, from Greek 'analghsi`a; 'an priv. + 'a`lghsis sense of pain.]

(Medicine) Serving to reduce the sensibility to pain without loss of consciousness.

analgesic (an`al*jē"zik) , noun

[New Latin, from Greek 'analghsi`a; 'an priv. + 'a`lghsis sense of pain.]

(Medicine) a medication which serves to reduce the sensibility to pain without loss of consciousness. Aspirin and acetaminophen (paracetamol, trade name Tylenol) are commonly used non-prescription analgesics. — AS