microseism From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA faint earth tremor caused by natural phenomena, such as wind. Related wordsSynonymsearth tremortremormicroquakemicroseismologymicrotremormicroseismometrymicroseismicitymicroseismometermicroearthquakeseismomicrophoneseismoscopemicroseismogrammegaearthquakeseismographymicroseismographminiquake References Wiktionary — microseism Wikipedia — microseism