a principle whereby model airplanes, ships, and hydraulic structures are operated for test purposes under conditions exactly simulating full-scale performance.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?
Words nearby dynamic similarity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020