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NASA

American  
[nas-uh] / ˈnæs ə /

noun

  1. National Aeronautics and Space Administration: the federal agency that institutes and administers the civilian programs of the U.S. government that deal with aeronautical research and the development of launch vehicles and spacecraft.


NASA British  
/ ˈnæsə /

acronym

  1. National Aeronautics and Space Administration

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What is NASA? NASA is short for the National Aeronautics and Space Administration, a civilian agency of the United States government that specializes in space exploration and research about flight and aircraft. Aeronautics is the science of flight. Although NASA is most known for space travel and research, it also researches things like supersonic flight, energy-efficient aircraft, and drones. Over the years, NASA has advanced space exploration and made many contributions to science. Its notable programs and missions have included astronaut moon landings, Mars rovers, satellites around planets, and interstellar telescopes. One of NASA’s earliest and most famous programs was the Apollo program, which put the first person on the moon on July 20, 1969. NASA runs numerous missions and programs at its facilities across the United States.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One of Scanlon’s clients turned to her for help because they were finishing their PhD while getting ready for a new job at NASA.

From Los Angeles Times • May 21, 2026

Reported plans to soon demonstrate a key technology SpaceX needs to land humans on the moon for NASA, though, are unlikely, Granda said.

From MarketWatch • May 21, 2026

No one hogs the limelight at NASA: When I ask Mr. Kshatriya if he laid the operational groundwork for Ms. Glaze, he says: “Me and 1,000 other people.”

From The Wall Street Journal • May 15, 2026

The research team includes scientists from institutions across the United States, Europe, and Asia, including MIT, NASA, NOAA, and several universities and research centers.

From Science Daily • Apr. 16, 2026

During all the time I worked at NASA, I never looked for any personal credit—I was always a member of a team.

From "Reaching for the Moon" by Katherine Johnson

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