ミリ秒びょうミリびょうMeanings1nounmillisecondA unit of time equal to one thousandth of a second. Used in technical and computing contexts.この処しょ理りは数すうミリ秒びょうで完かん了りょうします。This process completes in a few milliseconds.応おう答とう時じ間かんは平へい均きん50ミリ秒びょうです。The average response time is 50 milliseconds.