Learn how to say Interrogator correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word interrogate:
1ask questions of (someone) closely, aggressively, or formally:
he was interrogated by MI6
2obtain data from (a computer file, database, storage device, or terminal):
an interactive system enables users to interrogate the database
(of an electronic device) transmit a signal to (another device, especially one on a vehicle) to obtain information about identity, condition, etc.:
a ground-based transmitter sends a signal to interrogate an instrument on the aircraft
late 15th century: from Latin interrogat- ‘questioned’, from the verb interrogare, from inter- ‘between’ + rogare ‘ask’
Spell interrogate and the related word interrogation with a double r and a single g.