es·sen·tial·ism 
(ĭ-sĕnshə-lĭz′əm)
(ĭ-sĕnshə-lĭz′əm)n.
The philosophical tenet that objects and classes of objects have essential and not merely accidental characteristics.
es·sential·ist adj.
- Parthian
- partial
- partial-birth abortion
- partial derivative
- partial differential equation
- partial differentiation
- partial dominance
- partial eclipse
- partial fraction
- partiality
- partially
- partialness
- partial pressure
- partial seizure
- partial tone
- partible
- participance
- participant
- participate
- participation
- participational
- participative
- participator
- participatory
- participial