from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A unit of energy absorbed from ionizing radiation, equal to 100 ergs per gram or 0.01 joules per kilogram of irradiated material. It has been replaced as a standard scientific unit by the gray.
- adj. Slang Excellent; wonderful.
- abbr. radian
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Excellent, short for radical.
- n. A non-SI unit of absorbed dose of radiation, equal to 0.01 gray.
- n. Abbreviation of radian.
- n. Abbreviation of radiator.
from the GNU version of the Collaborative International Dictionary of English
- imp. & p. p. of read, rede.
- n. a unit of measurement of the amount of ionizing radiation absorbed by an object, equal to an energy of 100 ergs per gram of irradiated material (equal to 0.01 gray).
from The Century Dictionary and Cyclopedia
- Afraid; frightened.
- A Middle English form of rath.
- A Middle English preterit of ride.
- An obsolete preterit of read.
- n. A radical.
- n. In photometry, a proposed unit of quantity of light equal to the amount of energy in luminous form obtained in one second from a light-flux of one lumen. The rad is of a lumen-hour.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
- n. the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
By the way, is _radix_ perhaps derived from [Sanskrit: rad] (_rad_), a tooth (from the fang-like form of roots), whence _rodere_ and possibly _radius_?
While the word rad is completely outdated it totally applies to this cake.
However, I wouldn't call it rad, simply because I wouldn't call anything rad -- never have and never will use that word.
September 24, 2005 17: 53 b-rad: is there a mfr radio station? and more importantly, is it online?
But there is nothing I'd rather do than lay in my bed listening to rad music with a rad boy and talk about rad things ... and say rad alot.rad. where did the word rad come from, i know its derived from Radical, but please ... somebody fill me in.
i think it's rad that used the word rad in this post.
The rad is a unit of absorbed radiation dose in terms of the energy actually deposited in the tissue.
“I think on a scale of name rad-ness,” he says, “Donald is at a low point next to Hubert and Reginald and other names that condemn men to a lifetime of unintentional celibacy.”
I know that you're a big Twitter user, you've got a ridiculous number of followers at over 300K, but I've gotta ask you, what's the deal with your use of the word "rad"?
Palo Alto, California? did you ride narrow skateboards and say "rad" all the time, haha!