proving ground

noun

Definition of proving ground

  1. 1 :  a place for scientific experimentation or testing (as of vehicles or weapons)

  2. 2 :  a place where something is developed or tried out

Circa 1890

First Known Use of proving ground

circa 1890


PROVING GROUND Defined for English Language Learners

proving ground

noun

Definition of proving ground for English Language Learners

  • : a place where things or people are tested or tried out for the first time

  • : a place where scientific testing is done


Learn More about proving ground


Seen and Heard

What made you want to look up proving ground? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a brief usually trivial fact

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ