(subclass Clock MeasuringDevice) | Mid-level-ontology.kif 2882-2882 | Clock is a subclass of measuring device |
(subclass WatchClock Clock) | Mid-level-ontology.kif 2894-2894 | Watch clock is a subclass of clock |
(subclass AlarmClock Clock) | Mid-level-ontology.kif 25525-25525 | Alarm clock is a subclass of clock |