What is the meaning of Invigilance?

(n.) Alternative of Invigilancy.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). invigilance. Retrieved September 29, 2026, from http://smartdefine.org/invigilance/definitions/2023467
ChicagoWebster's. 2011. "invigilance" http://smartdefine.org/invigilance/definitions/2023467 (accessed September 29, 2026).
HarvardWebster's 2011, invigilance, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/invigilance/definitions/2023467>.
MLAWebster's. "invigilance" 27 May 2011. Web. 29 September 2026. <http://smartdefine.org/invigilance/definitions/2023467>