reactor

réacteur nucléaire

Installation qui produit de la chaleur en divisant des atomes, souvent pour générer de l’électricité.

En anglais simple : A machine that produces heat by splitting atoms, often to make electricity.

• The reactor produces heat.
• Engineers shut down the nuclear reactor yesterday.
• The plant’s two reactors supply electricity to nearby cities.

Synonymes : nuclear reactor

Expressions courantes : nuclear reactor, reactor core, power reactor

réacteur

Récipient ou appareil où des substances chimiques se transforment par mélange, chauffage ou traitement.

En anglais simple : A container or machine in which chemicals change when they are mixed, heated, or treated.

• The chemicals enter a reactor.
• They heated the mixture inside the reactor.
• The factory uses three reactors to make this material.

Synonymes : reaction vessel

Expressions courantes : chemical reactor, reactor vessel, inside the reactor

répondant

Personne qui réagit à un événement ou à une proposition.

En anglais simple : A person who responds to something that happens or is suggested.

• He is a slow reactor.
• Quick reactors answered before the question was finished.
• As a reactor to criticism, she tends to stay calm.

Comment l'utiliser : reactor to something (She is a quick reactor to sudden changes.)

Synonymes : responder

Expressions courantes : quick reactor, slow reactor

réactif

Substance chimique qui se transforme au contact d’une autre ou lorsqu’on les mélange.

En anglais simple : A chemical that changes when it touches or mixes with another chemical.

• This substance acts as a reactor.
• The reactor changed color when acid was added.
• They tested several reactors with the same solution.

Synonymes : reactant, reagent

Expressions courantes : chemical reactor, add a reactor