The meaning of OBSERVATION is an act or instance of observing a custom, rule, or law. How to use observation in a sentence.

OBSERVATION definition: an act or instance of noticing or perceiving. See examples of observation used in a sentence.

Science begins with a theorem and then attempts to prove that theorem based on observation. It was a knowing performance, full of wit and grace and savvy observation. His observation …

Observations in science are typically categorized as either qualitative or quantitative: Qualitative observations describe characteristics that are not expressed numerically, such as color, …

Observation is the action or process of carefully watching someone or something. In hospital she'll be under observation all the time. An observation is something that you have learned by …

Art classes help develop children’s powers of observation. Careful observation suggests that this is not the case. Detailed observations were carried out on the behaviour of the students.

Dec 14, 2025 · To observations which ourselves we make / We grow more partial for the observer's sake. This hypothesis goes by many names, including group resistence, the …

Dec 28, 2025 · Current Weather Observations Across Northern Illinois and Northwest Indiana Weather.gov > Chicago, IL > Current Weather Observations Across Northern Illinois and …

Definition of observation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Define Observations. Observations synonyms, Observations pronunciation, Observations translation, English dictionary definition of Observations. n. 1. a. The act of observing: …