Englishfor English speakers
reactor
—
noun
an electrical device used to introduce reactance into a circuit
—
noun
(= nuclear reactor)
(physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
cooling
—
noun
the process of becoming cooler; a falling temperature
—
noun
a mechanism for keeping something cool
the cooling was overhead fans
system
Noun
—
A group of things that work together; a way of doing something.
This coloured paper is part of my system for keeping lists of people.