The word's root that means "all or every" is:
pandemic
- A pandemic is a diseases that is prevalent or widespread in an entire area. "Pan" means all or every
- Hypnotic means sleepiness. The root word "hypo" means under.
- Necrology is a least of recent deaths. The root word "necro" means dead.
- Thermostat is an instrument that measures the temperature and expands or contracts. Thermostats are inside air conditioners. The root word "thermo" means temperature.