observable
gb/əbzˈɚvəbəl/ us/əbzˈɚvəbəl/
B2
英語
語義
0件の語義
adjective
B2
property
1
able to be seen or noticed
If something is observable, people can see it or notice it.
用法パターン：
observable [effect/change/difference]; [something] is observable
よくある間違い：
Do not confuse observable with observant. An observable change can be noticed; an observant person notices things well.
類義語
noticeable (more common in everyday speech)
|
visible (usually refers specifically to being seen)
|
detectable (often suggests finding something with effort or instruments)
対義語
unobservable (cannot be seen or noticed)
|
invisible (cannot be seen)
|
imperceptible (too slight to be noticed)
コロケーション
observable change
|observable difference
|observable effect
|observable sign
|observable trend
|observable pattern
|observable behavior
|observable improvement
|clearly observable
|directly observable
テーマ
perception
|description
例文
- There was no observable change in his mood after the meeting.
- The treatment produced an observable improvement within a few weeks.
- The two versions have only one observable difference.
学習者向け例文
- The stain was barely observable.
- We saw an observable change in the weather.
adjective
technical
C1
property
2
measurable by observation
In science, an observable thing can be measured or recorded because there is evidence of it.
用法パターン：
observable [data/phenomenon/variable/evidence]
よくある間違い：
Observable does not always mean visible to the eye; it may mean measurable with instruments or shown by data.
類義語
measurable (emphasizes numerical or practical measurement)
|
detectable (emphasizes that something can be found or identified)
|
empirical (relates to evidence from observation or experiment)
対義語
theoretical (exists as an idea or model rather than direct evidence)
|
unmeasurable (cannot be measured)
|
unobservable (cannot be directly observed or detected)
コロケーション
observable data
|observable evidence
|observable phenomenon
|observable variable
|observable outcome
|observable symptoms
|observable characteristics
|observable facts
|empirically observable
|not directly observable
テーマ
science
|research
|measurement
例文
- The researchers focused only on observable behavior, not private thoughts.
- The model makes predictions that are observable in laboratory experiments.
- Pain is subjective, but doctors can still look for observable symptoms.
学習者向け例文
- The scientist recorded observable data.
- The test measures an observable result.
名詞
technical
C1
entity
3
measurable quantity or feature
An observable is something that can be measured or recorded in a scientific or technical system.
用法パターン：
an observable; observables
よくある間違い：
As a noun, observable is usually technical. In everyday English, use thing you can see, sign, or measurement instead.
類義語
variable (a broader term for a measurable factor that can change)
|
measurement (emphasizes the recorded value rather than the property itself)
|
indicator (something used as evidence of another condition)
対義語
unobservable (something that cannot be directly observed or measured)
|
latent variable (a hidden factor inferred from observables)
コロケーション
a physical observable
|quantum observable
|market observables
|key observables
|measured observables
|clinical observables
|direct observables
|observable of interest
|set of observables
|statistical observables
テーマ
science
|mathematics
|computing
|measurement
例文
- In the experiment, temperature was treated as an observable.
- The theory connects hidden causes with the observables we can measure.
- Physicists use the term observable for a quantity that can, in principle, be measured.
学習者向け例文
- Temperature is an observable in this study.
- The team compared several observables.
文法
辞書形
observable
IPA
GB/əbzˈɚvəbəl/
US/əbzˈɚvəbəl/
音節・強勢
ob - serv - able （3音節）
Stress on 2nd syllable (serv)
活用形
Adjective
- Base: observable
Noun
- Base: observable
- Plural: observables
表現
observable universe
1/əbzˈɚvəbəl jˈunəvˌɚs/
fixed phrase
technical
visible part of the universe
The observable universe is the part of space that we can see or detect from Earth.
例文
- There are billions of galaxies in the observable universe.
- The observable universe may be only a small part of the entire universe.
- Light from beyond the observable universe has not had enough time to reach us.