使し用よう時じMeaningsNoun1. when usingKanji used使use (something physical)用used for時timeComposed of使し用ようuse; application; employment; utilization; utilisationNoun時じhour; o'clock; (specified) time; when ...; during ...SuffixExamples1これらの溶よう剤ざいは、揮き発はつ性せいのため、使し用よう時じに蒸じょう発はつし大たい気きに放ほう出しゅつされている。These solvents, due to their volatility, evaporate into the atmosphere when used.