proof

証拠、証明

物事が真実であることや、出来事が起きたことを示す事実や情報。

やさしい英語で： 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.

使い方： proof of something (You must bring proof of your address.); proof that… (We have proof that the letter arrived.)

類義語： evidence, confirmation

よく使う表現： proof of identity, clear proof, provide proof

証明

論理的な手順で、数学の主張が必ず正しいと示すこと。

やさしい英語で： 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?

使い方： a proof of something (She presented a proof of the theorem.); proof by something (The teacher showed us a proof by induction.)

類義語： demonstration

よく使う表現： mathematical proof, proof by induction, proof of something

試験、検証

正しいか、きちんと働くかを確かめるための試験。

やさしい英語で： 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.

類義語： test, trial

よく使う表現： put to proof, proof of strength

耐性がある、影響を受けない

害になるものや望ましくないものの影響を受けない。

やさしい英語で： 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.

使い方： proof against something (The material is proof against water.)

類義語： resistant, immune

反対語： vulnerable

よく使う表現： proof against harm, proof against criticism

試験用の

十分な強さや正常な働きを確かめるために使う。

やさしい英語で： 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.

よく使う表現： proof load, proof charge, proof pressure

発酵させる

パン生地を焼く前に暖かい場所に置いて膨らませる。

やさしい英語で： 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?

類義語： let rise

よく使う表現： proof the dough, proof bread dough

酵母の活性を確認する

酵母をぬるい液体に混ぜ、泡が出るか見て働きを確かめる。

やさしい英語で： 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.

類義語： test

よく使う表現： proof the yeast, proof dry yeast