"para-aminosalicylic acid", a crystalline compound, 4-amino-2-hydroxybenzoic acid, (HOOC)C₆H₃(OH)(NH₂), used as an antibiotic, especially in the treatment of tuberculosis; abbreviated PAS.
Origin
1940s; earliest use found in The Lancet.
Definition of para-aminosalicylic in US English:
para-aminosalicylic
noun
"para-aminosalicylic acid", a crystalline compound, 4-amino-2-hydroxybenzoic acid, (HOOC)C₆H₃(OH)(NH₂), used as an antibiotic, especially in the treatment of tuberculosis; abbreviated PAS.