THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST
In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
Origin of balance spring
First recorded in 1880–85
Words nearby balance spring
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for balance spring
The balance-spring is attached at its outer end to a fixed stud R, and at its inner end to staff of balance.
This balance compensates both for its own expansion and contraction, and that of the balance-spring.