Translation guide
The English word 'observable' means something that can be seen, noticed, or detected. In Japanese, the most natural way to express this depends on whether you are talking about visible phenomena, measurable data, or noticeable changes. This guide covers common adjectives, verbs, and phrases to convey 'observable' in different contexts.
This galaxy is at the edge of the observable universe.
A common phrase meaning 'visible to the eye'. Used for anything that can be seen directly, from everyday objects to subtle changes.
The change was large enough to be observable.
Technical term for 'visible', as in the visible spectrum of light. Rarely used outside scientific contexts.
Visible light is part of the observable wavelengths.
Describing something that can be noticed through senses or observation, often in everyday contexts.
Passive form of 'to recognize/acknowledge', meaning 'can be observed/noticed'. Used for trends, patterns, or effects.
Recently, improvement is observable.
A humble/polite way to say 'can be seen/observed', often used in formal reports or observations.
Passive of 'to observe', meaning 'is observed'. Suitable for scientific or systematic observation.
Means 'can be seen and understood' or 'perceptible'. Implies that the observation leads to a conclusion.
Describing something that can be measured or expressed in numbers, often in science or business.
Describing something that is clearly observable without special effort, often synonymous with 'obvious'.
Means 'clear/obvious', used when something is easily observable. Note: this is stronger than just 'observable' and implies no doubt.
This word means 'obvious' rather than just 'observable'. Use only when the observation is unmistakable.
His talent is observable.
Idiomatic phrase meaning 'obvious at a glance'. Stronger and more literary than 明らかな.
観測可能な is used for scientific observation, often with instruments. 目に見える is for direct visual observation. Use 観測可能な for abstract or technical contexts, and 目に見える for everyday visibility.
observable data
observable dirt
While 観察可能な (kansatsu kanō na) is a valid word, it is less common than 観測可能な for scientific contexts and can sound awkward. Stick to the options provided.
The results were clearly observable.
There is no observable difference.
Population growth is observable in this area.
This phenomenon is observable in experiments.
Anxiety is observable in his expression.
Customer satisfaction is an observable metric.
The difference was immediately observable.