noun🔗SharePascalIn the International System of Units, the derived unit of pressure and stress; one newton per square metre. Symbol: Pa."The tire pressure should be 220 kilopascals (kPa) for optimal fuel efficiency. "La presión de los neumáticos debe ser de 220 kilopascales (kPa) para una eficiencia de combustible óptima.physicsunitChat with AIVocabulary GamePractice Reading