Dictionary.com
Thesaurus.com

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.

See Examples For:

The company needs to get Starship regularly flying to handle lunar missions for NASA, fortify its Starlink network and to deploy AI data centers in space, which Musk said could come as soon as 2027.

From The Wall Street Journal ● Oct. 20, 2026

Officials said Meir completed four spacewalks — bringing her career total to seven, the third-most by a woman at NASA.

From Los Angeles Times ● Oct. 8, 2026

This work is supported by NASA, STScI, and NSF.

From Science Daily ● Sep. 30, 2026

New research from the University of Copenhagen, conducted in collaboration with NASA, offers a possible explanation.

From Science Daily ● Sep. 28, 2026

When Webb got up to speak, he announced that Jerrie Cobb had been named a consultant for NASA.

From "Women in Space" by Karen Bush Gibson

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training