What is the meaning of igor ivanovich sikorsky?

noun

  • United States industrialist (born in Russia) who designed the first four-engine airplane and the first mass-produced helicopter (1889-1972. ).
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APAWordNet. (2010). igor ivanovich sikorsky. Retrieved September 29, 2026, from http://smartdefine.org/igor_ivanovich_sikorsky/definitions/1286490
ChicagoWordNet. 2010. "igor ivanovich sikorsky" http://smartdefine.org/igor_ivanovich_sikorsky/definitions/1286490 (accessed September 29, 2026).
HarvardWordNet 2010, igor ivanovich sikorsky, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/igor_ivanovich_sikorsky/definitions/1286490>.
MLAWordNet. "igor ivanovich sikorsky" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/igor_ivanovich_sikorsky/definitions/1286490>