or R and D
Examples from the Web for rd
We did a lot of RD, and came up with a cool, plasma-like energy field that shot out of his hands.Marc Webb Takes Us Inside ‘The Amazing Spider-Man 2’ and Discusses His Rise to the A-List|Marlow Stern|March 15, 2014|DAILY BEAST
They could invest more in infrastructure, education, RD… That kind of spending can spur a lot of private sector growth.
It also justifies political contributions to members of Congress to get the RD credit renewed.
Some of the gondola gentry broke into and pillaged Rd Smith's house on the bank.Stories of New Jersey|Frank Richard Stockton
It was gettin' along to'rd supper-time, so I excused myself and went back to the apartment.Gullible's Travels, Etc.|Ring W. Lardner
The early feux-clairs, designed by the French engineers and others, had usually a flash of 1⁄10th to 1⁄3rd of a second duration.
Drysdale, doing liaison with the —rd Infantry Brigade, reported that two battalions had had severe losses.Pushed and the Return Push|George Herbert Fosdike Nichols, (AKA Quex)
I conceive that Rbck may have obtained its name from this red sediment, from rd red, and bck a rivulet.Lachesis Lapponica|Carl von Linn