(subclass Tremor Rotating) | Mid-level-ontology.kif 17457-17457 | Tremor is a subclass of rotating |
(subclass Trembling Tremor) | Mid-level-ontology.kif 19981-19981 | Trembling is a subclass of tremor |
(subclass EarthTremor Tremor) | Geography.kif 2319-2319 | Earth tremor is a subclass of tremor |