null
gb/nˈʌl/ us/nˈʌl/
B2
英語
~ 2600
null érték, semmis, érvénytelen
名詞
B2
1
null érték
B2
用法パターン：
[something] is null
The database returned a null value for that field.
Az adatbázis null értéket adott vissza arra a mezőre.
If the pointer is null, the program will crash.
Ha a mutató null értékű, a program összeomlik.
The result of the calculation was null due to missing input.
You must check for null before accessing the variable.
The function returns null when no match is found.
学習者向け例文
The answer was null.
A válasz null érték volt.
This box is null.
Ez a doboz null értékű.
My phone shows null when it has no signal.
The program says null when it finds nothing.
Null means there is no value.
よくある間違い：
Learners sometimes confuse 'null' with 'empty', but in computing 'null' means no value at all, while 'empty' can mean a value exists but has no content.
意味
absence of value or quantity
コロケーション
null value
|null result
|null reference
|null pointer
類義語
nothing (General term for the absence of anything, less technical than 'null'.)
|
zero (Numerical zero; used in mathematical contexts rather than programming.)
対義語
value (Represents that something exists or has data, opposite of 'null' in computing.)
テーマ
computing
|mathematics
|science
|technology
定義
A special value that means nothing or no information.
A value indicating nothing, zero, or the absence of any data or quantity.
B2
2
semmis
B2
érvénytelen
B1
用法パターン：
[something] is null and void
The court ruled the agreement null and void.
A bíróság semmisnek nyilvánította a megállapodást.
Any contract signed under duress is considered null.
A kényszer hatására aláírt szerződés semmisnek minősül.
The marriage was declared null by the church.
They found the election results to be null due to fraud.
学習者向け例文
The paper is null and void.
Az irat semmis és érvénytelen.
This contract is null now.
Ez a szerződés most már semmis.
The judge said it is null.
A false document is null.
よくある間違い：
Learners may omit 'and void' when using this meaning, but the fixed phrase 'null and void' is more common in legal English.
意味
having no legal force
コロケーション
null and void
|declare null
|null contract
類義語
invalid (General term for not legally acceptable or correct.)
対義語
valid (Legally acceptable or enforceable, the opposite of 'null' in law.)
テーマ
law
定義
Not legal or not accepted by law.
Without legal validity or effect; invalid.
文法
辞書形
null
IPA
GB/nˈʌl/
US/nˈʌl/
音節・強勢
null （1音節）
Stress on 1st syllable (null)
活用形
Adjective
- Base: null
Noun
- Base: null
- Plural: nulls
関連語
Forms
nulls
noun
Core family
nullify
verb
Related words
nullification
noun
Negative and opposite forms
non-null
adjective
Advanced or less common
nullity
noun
nullable
adjective
表現
null and void
1/nˈʌl ˈænd vˈɔɪd/
fixed phrase
formal
legally invalid or without effect
Not legal or not accepted by law anymore.
例文
- The contract was declared null and void by the court.
- The lease agreement was declared null and void after the discovery of fraud.
- Any agreement made under threat is null and void.
- Any unsigned contract is null and void.