hard scienceBrE/ˌhɑːd ˈsaɪəns/NAmE/ˌhɑːrd ˈsaɪəns/noun[U]sciencethatisbasedontheobjectivemeasurementandobservationofphysicalfactsorevents硬科学(以客观量度和观察物质数据为基础)[C]asciencethatinvolvestheobjectivemeasurementandobservationofphysicalfactsorevents, suchasphysicsandchemistry硬科学学科(如物理、化学)