or U 238
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?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for U-238
If you can use your demons to separate U-235 from U-238, you can use them for separating gold from sea water.
I could use it for separating U-235 from U-238 just as easily.