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

Observation in the natural sciences refers to the active acquisition of information from a primary source. [1] It involves the act of noticing or perceiving phenomena [2] and gathering data based on direct …

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

Discover everything about the word "OBSERVATION" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

observation, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

ob•ser•va•tion (ob′zûr vā′ shən), n. an act or instance of noticing or perceiving. an act or instance of regarding attentively or watching. the faculty or habit of observing or noticing. notice: to escape a …

OBSERVATION meaning: 1. the act of observing something or someone: 2. the fact that you notice or see something: 3. a…. Learn more.

OBSERVATION meaning: 1. the act of watching someone or something carefully: 2. a remark about something that you have…. Learn more.

Jan 12, 2026 · A combination of scanning probe microscopy and quantum sensing is used to investigate changes in water structure under confinement. A liquid–solid phase transition is observed in thin …