reactor
UK[riˈæktə(r)]US[riˈæktər]
n
A large machine or structure used to produce nuclear energy.
n
A container or device in which a chemical reaction is carried out, especially on an industrial scale.
Morpheme Breakdown
re
act
or
re
again
act
do
or
agent/thing
Etymology
The word "reactor" is a modern scientific compound built from classical components. Its core, "act", originates from the Latin verb agere, meaning to set in motion or to do. The prefix "re-", also from Latin, signifies a backward motion or repetition. Combined, they form "react", meaning to act in response or to act again. The suffix "-or", another Latin element denoting an agent, was then appended to create a noun for the apparatus that facilitates or contains a reaction. Thus, the term logically evolved from the concept of "something that causes action again or in response" to its specialized technical meanings in chemistry and nuclear physics.
Analysis
Structure: re (again) + act (do) + or (agent/thing)
- re: A Latin prefix meaning "again, back".
- act: From Latin agere (to do, drive, lead), appearing in English as the morpheme "act".
- or: A Latin-derived suffix forming agent nouns, indicating a person or thing that performs the action.
Examples
The nuclear reactor was shut down for scheduled maintenance.
The chemical reactor overheated, causing an emergency shutdown.
They are building a new experimental fusion reactor.