ジッターalso: ジッタジッターMeanings1nounjittercomputingTechnical term in computing and signal processing for timing variations or instability in data transmission or clock signals.ネットワークのジッターが大おおきいと、音おん声せい通つう話わの品ひん質しつが低てい下かする。If network jitter is high, the quality of voice calls degrades.