invigilancy

التعريفات والمعاني

== English == === Noun === invigilancy Lack of vigilance; neglect of watching. ==== Synonyms ==== invigilance === References === William Dwight Whitney, Benjamin Eli Smith, editors (1895–1910), “invigilancy”, in The Century Dictionary and Cyclopedia: […], New York, N.Y.: The Century Co., →OCLC.