observation is on the Basic English 850 List.
nut - observation - of

Word parts change

observe + -ation

Pronunciation change

  • (US) enPR: ŏb'zər-vāʹshən or -vāshʹn, IPA (key): /ˌɑbzɚˈveɪʃən/ or /-ˈveɪʃn̩/
  • (UK) IPA (key): /ˌɒbzəˈveɪʃ(ə)n/
  • (file)

Noun change

Singular
observation

Plural
observations

Observation is on the Academic Vocabulary List.
  1. (uncountable) Observation is the act of carefully seeing things that happen.
    To learn, you must be good at observation.
  2. (countable) An observation is something someone saw, heard etc.
    In science, we record our observations so we can think about them later.

Related words change