in·var·i·ance 
(ĭn-vârē-əns)
(ĭn-vârē-əns)n.
1. The condition or quality of being unchanging; constancy.
2. The property of being mathematically invariant.
- demo
- demob
- demobilization
- demobilize
- democracy
- democrat
- Democrat
- democratic
- democratically
- Democratic Party
- Democratic-Republican Party
- democratic socialism
- democratic socialist
- democratization
- democratize
- Democritus
- demodulate
- demodulation
- demodulator
- Demogorgon
- demographer
- demographic
- demographically
- demographics
- demography