Definitions
American Heritage® Dictionary of the English Language, Fourth 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.
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.
Wiktionary
- adj. slang Excellent, short for radical.
- n. metrology A non-SI unit of absorbed dose of radiation, equal to 0.01 gray.
- n. Abbreviation of radian.
- n. automotive, plumbing, slang Abbreviation of radiator.
GNU Webster's 1913
- 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).
- imp. & p. p. of read, rede.
WordNet 3.0
- 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)
Etymologies
- r(adiation) a(bsorbed) d(ose).Short for radical. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“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“While the word rad is completely outdated it totally applies to this cake.”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!”
Lists
These user-created lists contain the word ‘rad’.
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Americanism
American words
finest, fast food, acclimate, aluminum, alphabetize, airplane, affirmative action, arugula, backhoe, bangs, base board, bayou and 162 more...
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SPOR - Olympic glossary
weightlift, orbitale, figure skate, speed skate, synchronizer, equestrian sport, bobsleigh, starting block, diesis, ligne, piste, water ski and 521 more...
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Palabras de 3 letras en Español.
La única lista que también incluye flexiónes verbales y pluralizaciones. Aún faltan algunas por encontrar.
(Por ser una lista para Scrabble, los dígrafos ll, rr, y ch se consideran com...aba, aca, aga, ahe, ahi, aho, aja, aje, aji, ajo, ala, ale and 427 more...
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SCIE - graph theory
antiparallel, convex polyhedron, nonadjacent, acyclic, isomorphic, vertex, graph, planar, homomorphism, factorization, adjacency, disjoint and 423 more...
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3-letter Scrabble Words
aah, aal, aas, aba, abo, abs, aby, ace, act, add, ado, ads and 995 more...
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Costa Vida
The Costal Life
surf, carve, tubular, rip curl, curl, froth, floater, tweak, wafting, off the wall, pocket, rad and 39 more...
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Rad Words.
Put any Rad word, any at all.
super, rad, awesome, amazing, cool, nerdfightastic, fantastic, spectacular, groovy, funky, dishy, sick and 5 more...
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edbert's list
Random first list words
cathartic, wordy, fortuitous, loquacious, indignation, troubador, inundate, undulate, douchebag, douchebaggery, livid, leery and 4 more...
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Twitter faves
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favourite word" and adds it to this list.
See also:
niglets, aw, flakey, shiznit, thatch, sexy, bummers, hotty, eargasms, ratchetry, weird, fab and 593 more... -
Twitter favourites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favourite word" and adds it to this list.
See also:
thunderfuck, incredible, merp, sara, flopparoo, smother, fugly, buer, plum, canny, nefelibata, cuntbucket and 2434 more... -
Twitter favorites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favorite word" and adds it to this list.
See also:
unfathomably, glice, cuh, fab, ciggaty, doll, thuggin, oxymoronic, pineapple, succubutt, griming, cheeky and 3027 more... -
Fun with Apocopes
Words created by removing the end of a longer or original word. See also Fun with Aphesis.
abs, ad, bio, veg, veggie, tux, auto, bike, carbs, pecs, bro, sis and 186 more...
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3LW
3 letter words, not the girl band.
boggle and speed scrabble would not be half as fun without them.aah, boa, dot, fun, ick, log, oca, pyx, sos, was, aal, bob and 342 more...
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seventhspice's Words
supine, distaff, lest, janissary, articulator, chaos, scrumptious, charlatan, alacrity, papyrus, corollary, funicular and 106 more...
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Vocab++
Words as I learn them.
fetid, mezzanine, hiatus, austerity, subliminal, resplendent, implacable, impugn, debase, exiguous, cirque, holster and 2538 more...
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bertilak's Words
antidisestablishm..., feldercarb, wainscoting, eleemosynary, oxymoron, fuliginous, libration, lammergeier, saxifrage, ichor, lambent, smaragdine and 414 more...
Tweets
Looking for tweets for rad.
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