As nouns the difference between aerator and ventilator
is that aerator is a device which mixes air with a substance, particularly soil or a liquid while ventilator is fan (electrical device).
aerator
English
Noun
(
en noun)
A device which mixes air with a substance, particularly soil or a liquid.
Related terms
* aerate
* aeration
ventilator
Noun
(
en noun)
A device that circulates fresh air and expels stale or noxious air.
(medicine) A respirator.