proof

preuve

Faits ou informations qui montrent qu’une chose est vraie ou qu’un événement a eu lieu.

En anglais simple : Facts or information that show something is true or that something happened.

• Do you have any proof?
• This photo is proof that we were there.
• They asked for proof of payment before releasing the goods.

Comment l'utiliser : proof of something (You must bring proof of your address.); proof that… (We have proof that the letter arrived.)

Synonymes : evidence, confirmation

Expressions courantes : proof of identity, clear proof, provide proof

démonstration, preuve

Raisonnement qui établit, par des étapes logiques, qu’une affirmation mathématique est forcément vraie.

En anglais simple : A series of logical steps that shows a mathematical statement must be true.

• The proof takes only three steps.
• We studied two different proofs of the theorem.
• Can you find an error in this mathematical proof?

Comment l'utiliser : a proof of something (She presented a proof of the theorem.); proof by something (The teacher showed us a proof by induction.)

Synonymes : demonstration

Expressions courantes : mathematical proof, proof by induction, proof of something

épreuve, test

Vérification permettant de savoir si quelque chose est vrai ou fonctionne correctement.

En anglais simple : A test used to find out whether something is true or works properly.

• The bridge survived its first proof.
• They put the new blade to proof.
• A proof of strength revealed cracks in the metal.

Synonymes : test, trial

Expressions courantes : put to proof, proof of strength

résistant, immunisé

Qui résiste à quelque chose de nuisible ou d’indésirable, sans en subir les effets.

En anglais simple : Able to resist something harmful or unwanted.

• The walls are proof against fire.
• She seemed proof against all criticism.
• No roof is completely proof against storm damage.

Comment l'utiliser : proof against something (The material is proof against water.)

Synonymes : resistant, immune

Contraires : vulnerable

Expressions courantes : proof against harm, proof against criticism

d'épreuve

Utilisé pour vérifier si quelque chose est assez solide ou fonctionne bien.

En anglais simple : Used to test whether something is strong enough or works properly.

• The bridge held the proof load.
• A proof charge tests the strength of a gun barrel.
• The tank passed a test at proof pressure.

Expressions courantes : proof load, proof charge, proof pressure

faire lever

Laisser la pâte à pain au chaud pour qu’elle gonfle avant la cuisson.

En anglais simple : To leave bread dough in a warm place so it grows before baking.

• Proof the dough for an hour.
• The rolls proofed in a warm kitchen.
• Have you proofed the dough yet?

Synonymes : let rise

Expressions courantes : proof the dough, proof bread dough

tester la levure

Mélanger la levure à un liquide tiède et vérifier qu’elle forme des bulles, signe qu’elle est active.

En anglais simple : To check that yeast works by mixing it with warm liquid and watching for bubbles.

• Proof the yeast in warm water.
• She proofed the yeast before mixing the dough.
• If it does not foam, the yeast has failed to proof.

Synonymes : test

Expressions courantes : proof the yeast, proof dry yeast