1. Plural of circulator; devices or systems that move fluid (liquid or gas) in a circular path or through a circuit.
Usage: Common in heating, cooling, and plumbing systems
2. People or things that circulate or distribute something widely.
Usage: General usage

Examples

• The heating system uses circulators to push hot water through the radiators.
• Modern air conditioning units rely on efficient circulators to maintain temperature control.
• The pump circulators in the pool system keep the water clean and filtered.
• Circulators of misinformation can cause significant harm to public discourse.
• The building's HVAC circulators operate continuously during winter months.