IPA: /ˈvɛntɪˌleɪtə/
KK: /ˈvɛntɪˌleɪtər/
A machine that helps people breathe by providing fresh air and removing stale air, often used in hospitals for patients who cannot breathe on their own.
The patient was placed on a ventilator to assist with their breathing during the surgery.
Ventilator → It is formed from "ventus" (meaning wind or air) and "-lator" (meaning one who or that which). The word "ventilator" refers to a device that brings or circulates air.
Think of 'ventus' meaning air, and remember that a ventilator is a device that circulates air.