Princeton's WordNet

1. observation(noun)

   the act of making and recording a measurement

2. observation, observance, watching(noun)

   the act of observing; taking a patient look

3. observation, reflection, reflexion(noun)

   a remark expressing careful consideration

4. observation(noun)

   facts learned by observing

   "he reported his observations to the mayor"

5. notice, observation, observance(noun)

   the act of noticing or paying attention

   "he escaped the notice of the police"

Kernerman English Learner's Dictionary

1. observation(noun)ˌɒb zɜrˈveɪ ʃən

   a comment on a situation

   the judge's observations about the case

2. observationˌɒb zɜrˈveɪ ʃən

   the state of being observed

   scientific observations

3. observationˌɒb zɜrˈveɪ ʃən

   being watched

   The police have the group under observation.

Wiktionary

1. observation(Noun)

   The act of observing, and the fact of being observed.

2. observation(Noun)

   The act of noting and recording some event; or the record of such noting.

3. observation(Noun)

   A remark or comment.

4. observation(Noun)

   A judgement based on observing.

Origin: From observatio

Webster Dictionary

1. Observation(noun)

   the act or the faculty of observing or taking notice; the act of seeing, or of fixing the mind upon, anything

2. Observation(noun)

   the result of an act, or of acts, of observing; view; reflection; conclusion; judgment

3. Observation(noun)

   hence: An expression of an opinion or judgment upon what one has observed; a remark

4. Observation(noun)

   performance of what is prescribed; adherence in practice; observance

5. Observation(noun)

   the act of recognizing and noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal

6. Observation(noun)

   specifically, the act of measuring, with suitable instruments, some magnitude, as the time of an occultation, with a clock; the right ascension of a star, with a transit instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.

7. Observation(noun)

   the information so acquired

U.S. National Library of Medicine

1. Observation

   The act of regarding attentively and studying facts and occurrences, gathering data through analyzing, measuring, and drawing conclusions, with the purpose of applying the observed information to theoretical assumptions. Observation as a scientific method in the acquisition of knowledge began in classical antiquity; in modern science and medicine its greatest application is facilitated by modern technology. Observation is one of the components of the research process.

• waarnemingAfrikaans
• مُراقَبَهArabic
• наблюдениеBulgarian
• observaçãoPortuguese (BR)
• pozorováníCzech
• die BeobachtungGerman
• observationDanish
• παρατήρηση, παρακολούθησηGreek
• observaciónSpanish
• vaatlusEstonian
• مراقبت؛ توجهFarsi
• tarkkailuFinnish
• observation, surveillanceFrench
• הִתבּוֹנֵנוּתHebrew
• अवलोकनHindi
• promatranjeCroatian
• megfigyelésHungarian
• penelitianIndonesian
• eftirlitIcelandic
• osservazioneItalian
• 観察Japanese
• 관찰Korean
• stebėjimas, sekimasLithuanian
• novērošanaLatvian
• pemerhatianMalay
• observatieDutch
• iakttakelse, observasjonNorwegian
• obserwacjaPolish
• مراقبت؛ توجهPersian
• مراقبت،غورPashto
• observaçãoPortuguese
• observaţie, supraveghereRomanian
• наблюдениеRussian
• pozorovanieSlovak
• opazovanjeSlovenian
• posmatranjeSerbian
• observation, iakttagelseSwedish
• การสังเกตThai
• gözlemTurkish
• 觀察Chinese (Trad.)
• спостерігання; наглядUkrainian
• مشاہدہUrdu
• sự theo dõiVietnamese
• 观察Chinese (Simp.)