May 15, 2026 · 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: 1. the act of observing something or someone: 2. the fact that you notice or see something: 3. a…. Learn more.

In living organisms, observation typically occurs through the senses. In science, it often extends beyond unaided perception, involving the use of scientific instruments to detect, measure, and record data.

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

May 25, 2013 · Use our free mobile apps to identify images and record your counts and observations. This website uses cookies to ensure you get the best experience.

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 seeing or …

Define observation. observation synonyms, observation pronunciation, observation translation, English dictionary definition of observation. n. 1. a. The act of observing: observations of a rare bird. b. The …

When you take a good look at something, noticing facts or taking measurements, you are engaging in observation, something a little more intense than just a quick glance. When you share an …

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

These facts are based on close observation of the birds in the wild. Children learn by observation. The author's excellent powers of observation [=ability to notice and pay close attention to things] are …