noun🔗ShareA liquid outpouring."The doctor examined the patient's knee for any sign of effusion after the injury. "medicinephysiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareProcess of gases passing through a hole or holes considerably smaller than the mean free path of the gas molecules."The slow effusion of helium from the tiny pinhole in the balloon caused it to deflate over several days. "physicschemistryChat with AIVocabulary GamePractice Reading
noun🔗Share(by extension) An outpouring of speech or emotion."After winning the championship, the coach gave an impassioned effusion of praise for his team. "emotioncommunicationlanguageliteratureChat with AIVocabulary GamePractice Reading
noun🔗ShareThe seeping of fluid into a body cavity; the fluid itself."After his accident, the doctor drained the effusion from John's knee to reduce the swelling. "medicinephysiologybodyChat with AIVocabulary GamePractice Reading
