The science and technology of rocket design, construction, and flight.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "rocketry" in a sentence
"That is why we have made no significant progress in rocketry since the Shuttle was developed (SSME's, TPS, Al-Li structures, etc.)."
"He was a true pioneer in rocketry and spaceflight and he will be sorely missed."
"Maybe other readers more versed in rocketry can provide some better information on why vertical take off and landing vehicles are being pursued."