en geological epoch (n)
― IsA ⟶
Weight: 1.0
en geological time period (n) Source: OpenCyc 2012
en geological era (n)
― IsA ⟶
Weight: 1.0
en geological time period (n) Source: OpenCyc 2012
en geological time period (n)
― IsA ⟶
Weight: 1.0
en continuous time interval (n) Source: OpenCyc 2012
en geological period (n)
― IsA ⟶
Weight: 1.0
en geological time period (n) Source: OpenCyc 2012
en geological age (n)
― IsA ⟶
Weight: 1.0
en geological time period (n) Source: OpenCyc 2012