Word: 地动仪 (dìdòngyí) Traditional: 地動儀 地动仪 dictionary entry dìdòngyí the world's first seismograph invented by Zhang Heng 張衡|张衡[Zhang1 Heng2] in 132 Full dictionary entry for 地动仪 Example sentences using 地动仪 2 sentences, showing page 1 of 1. 博物馆里展出了地动仪。 Bówùguǎn lǐ zhǎnchūle dìdòngyí. The seismoscope is on display in the museum. 地动仪是怎么工作的？ Dìdòngyí shì zěnme gōngzuò de? How does the seismoscope work?