proof
gb/pɹˈuf/ us/pɹˈuf/
B1
英語
~ 2800
語義
0件の語義
名詞
B1
entity
1
evidence showing truth
Information or facts that show something is true.
用法パターン：
[proof] of [something]
よくある間違い：
Learners sometimes confuse 'proof' with 'prove'. 'Proof' is a noun; 'prove' is a verb meaning to show something is true.
類義語
evidence (A broader term for anything that can support a claim, not always conclusive.)
対義語
disproof (Evidence or argument that shows something is false.)
コロケーション
clear proof
|hard proof
|proof of identity
|proof beyond doubt
|lack of proof
テーマ
law
|science
|daily life
|communication
例文
- The scientist provided proof that the new drug was effective.
- Do you have any proof of your address?
- Her fingerprints were the proof the police needed.
- We finally found proof that the story was true.
学習者向け例文
- I need proof of your name.
- The photo is proof that we were there.
- He showed me proof that he paid.
- They have proof of his age.
名詞
technical
B2
entity
2
test print before final
A test copy of writing or pictures made before the final version.
類義語
draft (A preliminary version, not necessarily printed.)
対義語
final copy (The completed and approved version for release.)
コロケーション
proof copy
|galley proof
|page proof
テーマ
publishing
|printing
|work
|arts_entertainment
例文
- The editor reviewed the proof and marked several mistakes.
- Please send me a proof before printing the invitations.
- The book went through three proofs before publication.
学習者向け例文
- We read the proof before printing.
- The proof had two mistakes.
- She sent me a proof of the poster.
名詞
technical
B2
quantity
3
alcohol strength measure
A number that shows how strong an alcoholic drink is.
類義語
alcohol content (General term for the amount of alcohol present, not a specific scale.)
コロケーション
100-proof whiskey
|80-proof rum
テーマ
food
|measurement
|food_drink
例文
- This bottle contains 80-proof vodka.
- The rum is 100-proof, so drink carefully.
- In the US, 50% alcohol by volume equals 100 proof.
学習者向け例文
- This drink is 80 proof.
- That whiskey is 100 proof.
- Proof tells how strong a drink is.
名詞
technical
C1
entity
4
logical demonstration of truth
A set of steps that shows something in math or logic must be true.
類義語
demonstration (Formal showing of validity, often used in mathematics and logic.)
コロケーション
formal proof
|mathematical proof
|construct a proof
テーマ
mathematics
|logic
|education
|science
例文
- The student presented a formal proof of the theorem.
- Without a proof, the claim remains unverified.
- Mathematical proofs require rigorous reasoning.
学習者向け例文
- We wrote a proof in math class.
- The teacher showed us a proof.
- A proof explains why it is true.
文法
辞書形
proof
IPA
GB/pɹˈuf/
US/pɹˈuf/
音節・強勢
proof （1音節）
Stress on 1st syllable (proof)
活用形
Noun
- Base: proof
- Plural: proof, proofs
関連語
Forms
proofs
noun
Core family
prove
verb B1
Negative and opposite forms
disprove
verb
disproof
noun
Advanced or less common
provable
adjective
表現
burden of proof
1/bˈɚdən əv pɹˈuf/
fixed phrase
formal
duty to prove claim
The duty to give evidence to show that something is true.
例文
- In a trial, the burden of proof lies with the prosecution.
- The burden of proof is on those making the accusation.
proof positive
2/pɹˈuf pˈɑzɪtɪv/
fixed phrase
definite evidence of truth
Clear evidence that shows something is true with no doubt.
例文
- His fingerprints on the weapon are proof positive of his guilt.
- The test results are proof positive that the treatment works.
the proof is in the pudding
1/ðə pɹˈuf ˈɪz ˈɪn ðə pˈʊdɪŋ/
idiom
results show the true value
you only know if it works after you try it
例文
- The new software looks impressive, but the proof is in the pudding once we start using it.
- He promised the changes would help; the proof is in the pudding.
- It sounds like a good idea, but the proof is in the pudding.
the proof is in the pudding
3/ðə pɹˈuf ˈɪz ˈɪn ðə pˈʊdɪŋ/
idiom
informal
results show real value
You can only know how good something is by trying it or seeing the results.
例文
- You say your cake is great, but the proof is in the pudding.
- The design looks nice, but the proof is in the pudding once we test it.
waterproof / bulletproof / fireproof etc.
4/wˈɔtɚpɹˌuf bˈʊlɪtpɹˌuf fˈaɪɚpɹˌuf ˌɛtsˈɛtɚə ‖/
fixed phrase
protected from specific damage type
Not able to be harmed by water, bullets, fire, etc., depending on the word before 'proof'.
例文
- This watch is waterproof up to 50 meters.
- The safe is fireproof to protect documents.