noun, feminine/tʁɑ̃s.pi.ʁa.sjɔ̃/plural: transpirations
transpiration (process of giving off water vapour through the skin or mucous membranes); sweat (fluid that exits the body through pores in the skin usually due to physical stress and/or high temperature for the purpose of regulating body temperature and removing certain compounds from the circulation)
Synonyms: sueur
Learned borrowing from Medieval Latin trānspirātiō. By surface analysis, transpirer + -ation.