observed

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English

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Pronunciation

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Verb

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observed

  1. simple past and past participle of observe
    Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich
    N-substituted pyrroles are much less reactive than the other 5-membered 1,3-dienes; no reaction was observed between N-(trimethylsilyl) pyrrole or N-benzylpyrrole with Smith’s diene (4) under thermal or high pressure (4 days at 14 kbar) conditions, even in the presence of Lewis acids.
  2. (of a holiday) Exceptionally celebrated on a date other than the usual date.
    Sunday, July 1: Canada Day; Monday, July 2: Canada Day observed.