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tromometry
tromometry n. 
/trəʊˈmɒmɪtrɪ/ the measuring of earth-tremors, the scientific use of the tromometer.
/trəʊˈmɒmɪtrɪ/ the measuring of earth-tremors, the scientific use of the tromometer.ΚΠ
1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Tromometry.
1898 Nature 1 Dec. 104/2 The subject to which he [Rossi] devoted the greatest attention was perhaps tromometry, in connection with which he devised many instruments.
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