Definitions from Wikipedia (Centennial Challenges)

▸ noun:  NASA space competition inducement prize contests for non-government-funded technological achievements by American teams.


▸ Words similar to centennial challenges
▸ Usage examples for centennial challenges

▸ Idioms related to centennial challenges
▸ Wikipedia articles (New!)
▸ Words that often appear near centennial challenges
▸ Rhymes of centennial challenges

▸ Invented words related to centennial challenges