通つう気き性せいMeaningsNoun1. air-permeability; breathabilityKanji used通pass through気state of mind性nature (of a person)Pitch accentつうきせいComposed of通つう気きventilation; airflowNoun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNounExamples1この下した着ぎは、さらっとした通つう気き性せいのよい生き地じを使し用ようしています。These underwear are made from a smooth, breathable fabric.