HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Definition for r.d. (2 of 2)
or R and D
research and development.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020