observation

American  

[ob-zur-vey-shuhn] / ˌɒb zɜrˈveɪ ʃən /

noun

1. an act or instance of noticing or perceiving.

2. an act or instance of regarding attentively or watching.

3. the faculty or habit of observing or noticing.

   Synonyms:

   attention

4. notice.

   to escape a person's observation.

5. an act or instance of viewing or noting a fact or occurrence for some scientific or other special purpose.

   the observation of blood pressure under stress.

6. the information or record secured by such an act.

7. something that is learned in the course of observing things.

   My observation is that such clouds mean a storm.

8. a remark, comment, or statement based on what one has noticed or observed.

   Synonyms:

   opinion, pronouncement

9. the condition of being observed.

10. Navigation.

    1. the measurement of the altitude or azimuth of a heavenly body for navigational purposes.

    2. the information obtained by such a measurement.

11. Obsolete. observance, as of the law.

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observation British  

/ ˌɒbzəˈveɪʃən /

noun

1. the act of observing or the state of being observed

2. a comment or remark

3. detailed examination of phenomena prior to analysis, diagnosis, or interpretation

   the patient was under observation

4. the facts learned from observing

5. an obsolete word for observance

6. nautical

   1. a sight taken with an instrument to determine the position of an observer relative to that of a given heavenly body

   2. the data so taken

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Related Words

See remark.

Other Word Forms

• nonobservation noun
• observational adjective
• observationally adverb
• preobservation noun
• reobservation noun
• self-observation noun

Etymology

Origin of observation

First recorded in 1350–1400; Middle English, from Latin observātiōn-, stem of observātiō “attention, inspection, surveillance,” from observāt(us) “watched” (past participle of observāre “to watch, regard, attend to”; observe ) + -iō -ion

Example Sentences

Random observations on the silliness of all the action—“That monkey just used his cuteness for crime!”—are about as close as we get to humor.

From The Wall Street Journal

“I was just making an observation. What was the word you put down last week? ‘Quiz’ something?”

From Literature

The plaintive observation, ascribed to the early Victorian British Prime Minister Viscount Melbourne about the acerbically self-confident historian Thomas Babington Macaulay, remains the motto of the thoughtfully skeptical man through the ages.

From The Wall Street Journal

NASA's Fermi Gamma-ray Space Telescope first detected the burst on July 2, prompting rapid follow-up observations from other instruments.

From Science Daily

The proposed magma re-injection model aligns with observations of large, shallow magma systems beneath other major calderas such as Yellowstone and Toba.

From Science Daily

Related Words

• conclusion
• consideration
• examination
• experience
• information
• inspection
• investigation
• knowledge
• measurement
• note
• perception
• remark
• research
• review
• study
• surveillance
• view