Learn how to say Inquisitions correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word inquisition:
1a period of prolonged and intensive questioning:
she relented in her determined inquisition and offered help
historical a judicial or official inquiry.
2 (the Inquisition) an ecclesiastical tribunal established by Pope Gregory IX circa 1232 for the suppression of heresy. It was active chiefly in northern Italy and southern France, becoming notorious for the use of torture. In 1542 the papal Inquisition was revived to combat Protestantism, eventually becoming an organ of papal government. See also Spanish Inquisition.
late Middle English (denoting a searching examination): via Old French from Latin inquisitio(n-) ‘examination’, from the verb inquirere (see enquire)