rad

rad Examples See more synonyms for rad on Thesaurus.com Mathematics.

1. radian; radians.

rad 1[rad] noun Physics.

1. a standard unit of absorbed dose of radiation equal to 0.01 gray2.

Compare dose(def 4a). Origin of rad 1First recorded in 1915–20; shortened form of radiation rad 2[rad] noun

1. Informal. radical.

adjective

2. Slang. fine; wonderful.

Origin of rad 2by shortening of radical rad. Mathematics.

1. radical.
2. radix.

Related Words for rad astonishing, fantastic, outrageous, spectacular, incredible, phenomenal, awesome, astounding, unbelievable, superb, terrific, marvelous, breathtaking, remarkable, offbeat, neat, groovy, unorthodox, great, satisfying Examples from the Web for rad Contemporary Examples of rad

Jim really paved the way—on film and in television—for people to see young, rad chicks kick ass and take names.

Jessica Alba on ‘Sin City,’ Typecasting, and How Homophobia Pushed Her Away From the Church

Marlow Stern

August 18, 2014

If Hugh Jackman is totally heterosexual, his mode is a confusing—and not in a good, rad way—butch-camp.

Hugh Jackman’s Tony Jumping Fail, Plus the Winners and Standout Moments of Broadway’s Biggest Night

Tim Teeman

June 9, 2014

Nashville: Broadman Holman Publishers, 1996 Rad, Gerhard von.

The Backstory of ‘Noah’ Is Full of Giants, Horny Angels, and a Grieving God

Tim Townsend

March 28, 2014

In October 2007, Hourani launched his first ready-to-wear unisex line, RAD by Rad Hourani, at a small art gallery in Paris.

Rad Hourani, The First Unisex Couture Designer

Erin Cunningham

January 29, 2014

The ‘Today’ Show Horses Around Who knew David Gregory was such a rad dancer?

Ai Weiwei, Ban Ki-moon, Ponies & More Best ‘Gangnam Style’ Parodies (VIDEO)

Melissa Leon, Kevin Fallon

October 26, 2012

Historical Examples of rad

“Well, we’ve got a pretty good outfield as it is,” went on Rad.

Baseball Joe in the Big League

Lester Chadwick

“Go to it, boys,” he advised Joe and Rad, with a friendly nod.

Baseball Joe in the Big League

Lester Chadwick

“Which will be about to-morrow,” spoke Rad, as Joe mentioned his desire.

Baseball Joe in the Big League

Lester Chadwick

Joe and Rad, with the two men, were comparatively alone now.

Baseball Joe in the Big League

Lester Chadwick

“One of the porters might have opened our door by mistake,” went on Rad.

Baseball Joe in the Big League

Lester Chadwick

British Dictionary definitions for rad rad 1 noun

1. a former unit of absorbed ionizing radiation dose equivalent to an energy absorption per unit mass of 0.01 joule per kilogram of irradiated material. 1 rad is equivalent to 0.01 gray

Word Origin for rad C20: shortened from radiation rad 2 symbol for

1. radian

rad. abbreviation for

1. radical
2. radius

Word Origin and History for rad

“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.)).

rad in Science rad [răd]

1. A unit used to measure energy absorbed by a material from radiation. One rad is equal to 100 ergs per gram of material. Many scientists now measure this energy in grays rather than in rads.

rad in Culture rad

An acronym for radiation absorbed dose. A unit of energy absorbed from ionizing radiation.