noun Pharmacology.
- a crystalline substance, C8H9NO2, used as a headache and pain reliever and to reduce fever.
U.S. name for “para-acetylaminophenol,” 1960, composed of syllables from the chemical name; in Britain, the same substance is paracetamol.
n.
- A crystalline compound used in chemical synthesis and in medicine to relieve pain and reduce fevers.
- A crystalline compound used in medicine to relieve pain and reduce fever. Chemical formula: C8H9NO2.