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The Collaborative International Dictionary

Rad \Rad\ (r[a^]d), n. [radiation absorbed dose.] 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).


Rad \Rad\ (r[a^]d), obs. imp. & p. p. of Read, Rede.

Douglas Harper's Etymology Dictionary

"x-ray dose unit," 1918, shortened form of radiation (q.v.). As shortened form of radical (n.), it is attested in political slang from 1820. Teen slang sense of "extraordinary, wonderful" is from late 1970s (see radical (adj.)).


init. 1 (context computing English) 2 (context space NASA English) (gloss It is a scientific instrument of the onboard the Curiosity ''Curiosity'' rover at

  1. n. a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material

  2. 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) [syn: radian]


Rád is a village in Pest county, Hungary.

Rad (comics)

Rad is a comic book supervillain in the Femforce comic published by A.C. Comics.

Rad possesses superhuman strength, together with the ability to fly (although only over short distances). Her true identity was Jennifer Burke, daughter of the original Miss Victory, who in the 1940s developed the "V-formula" to increase the strength/stamina of allied troops. The initial formula, V-45, turned Dan Barton, crack covert agent and boyfriend of Laura Wright, into the supervillain Black Commando. Joan Wayne was able to alter the formula, creating V-47, which only worked on herself and only for a short period of time, and she became the superheroine "Miss Victory".

In the 1980s, the Black Commando force-fed some of the V-45 to Joan. In addition to permanent superstrength and youth, she developed the same paranoia and narcissism that the Black Commando had. She took the name "Rad" and became a ruthless mercenary. Eventually, Femforce was able to expunge the V-45 from her system and restore Joan's normal personality.

In the meantime, Joan Wayne was replaced by her grown-up daughter Jennifer Burke (the only other person on whom the V-47 would work) becoming the second Miss Victory. After the return of Joan Wayne to the Miss Victory codename, Jennifer Burke left Femforce and was chosen to lead the New Sentinels of Justice under the name of Paragon which was objected by the original Paragon. The combined stress of replacing her mother in Femforce, her son being killed by a villain, losing her husband to a team member, and then being replaced by her mother left Jennifer vulnerable to the machinations of the Shroud. Once again, she followed in her mother's footsteps, taking the V-45 and becoming the new Rad.

Rad (film)

Rad is a 1986 American film about BMX racing. The film was written by Sam Bernard and Geoffrey Edwards and directed by Hal Needham. It stars Bill Allen and Lori Loughlin. Parts of this movie were filmed in Cochrane, Alberta, Canada, as well as at Colonel Macleod Jr. High School and Bowness Park, both in Calgary, Alberta.

Rad (unit)

The rad is a deprecated unit of absorbed radiation dose, defined as 1 rad = 0.01 Gy = 0.01 J/kg. It was originally defined in CGS units in 1953 as the dose causing 100 ergs of energy to be absorbed by one gram of matter. It has been replaced by the gray in SI but is still used in some countries. A related unit, the roentgen, is used to quantify the radiation exposure. The F-factor can be used to convert between rads and roentgens.

The material absorbing the radiation can be human tissue or silicon microchips or any other medium (for example, air, water, lead shielding, etc.).

Rad (village)

Rad is a village and municipality in the Trebišov District in the Košice Region of eastern Slovakia.

Category:Villages and municipalities in Trebišov District

Rad (musician)

Rose Ann Dimalanta, known by the stage name Rad (styled rad.), is a singer-songwriter and keyboardist from Oakland. She is influenced by funk, Brazilian, Afro-Cuban and R&B styles and has been described as the " Tania Maria of Funk".

Rad (journal)

Rad ( Croatian for proceedings, work) is an academic journal published by the Yugoslav, now Croatian, Academy of Sciences and Arts. It was their only publication from 1867 until 1882, when each of the individual scientific sections of the academy started printing their own journals. , over five hundred issues have been published.

Usage examples of "rad".

We first irradiated a sample at three mega rads then another sample at six mega rads and tested the animals over a period of six months to see whether radiation became concentrated in any of their organs or bones.

Thalia, Captain Poulandres, Baltha, Kau, most of the rads, most of the reavers, nearly all of the Manitou crew, including the young navigator who had helped Maia and her twin find their way through the dazzling complexity of the world-wall.

Leaving Koku and Rad to collect the wires and firing apparatus, there being no danger now, as no explosive was left in the shack, Tom made his way back to the house.

I was waylaid by an attractive young nymphet who seemed rather taken by, as she so eloquently put it, my rad looks.

His parents died of rad sickness when he was eleven, and he headed for the hills, lived in a ville near Telluride and learned all about taxidermy from an old-timer.

I must report the deaths of Rad Misson, Essen Maratas and Heirun Japara, all able seamen.

An airburst caught the plane and threw it into the trees with the crew already dead from the rad burst.

There was no rad alt no Head-Up Display, no computerised navigation system.

The Final Clanners, the Naked Purples and the other culture rads took to the streets.

In many ways, rads were polar opposites to Perkinites, pushing for empowerment of the var underclass through restructuring all of the rules, political and biological.

The rads sourly disparaged the Grange Head Clipper, which featured mostly commodities prices, along with bickering among candidates in upcoming elections, to be held in a month, on Farsun Day.

Next were twenty-one rads, partners in the bold scheme to hustle Renna from captivity.

In high spirits after their successful foray, the rads were talkative, excited, and clearly better educated than the average var.

The southlanders scarcely concealed their contempt for the idealistic rads, but seemed happy to take their pay.

Apparently, the rads had designs to keep Renna busy while they sheltered him and dickered with the Reigning Council.