- the branch of geology concerned with the study of earthquakes and seismic waves
WordReference Random House Learner's Dictionary of American English © 2026
seis•mol•ogy /saɪzˈmɑlədʒi/USA pronunciation
n. [uncountable]
seis•mol•o•gist, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Geologythe science or study of earthquakes and their phenomena.
seis•mol•o•gist, n. [countable]
seis•mol•ogy
(sīz mol′ə jē, sīs-),USA pronunciation n.
seis•mo•log•ic
(sīz′mə loj′ik, sīs′-),USA pronunciation seis′mo•log′i•cal, adj.
seis′mo•log′i•cal•ly, adv.
seis•mol′o•gist, n.
- Geologythe science or study of earthquakes and their phenomena. Also called seismography.
- 1855–60; seismo- + -logy
seis•mol′o•gist, n.
Collins Concise English Dictionary © HarperCollins Publishers::
seismology /saɪzˈmɒlədʒɪ/ n
'seismological' also found in these entries (note: many are not synonyms or translations):