rad
1 of 3noun
ˈrad 
: a unit of absorbed dose of ionizing radiation equal to an energy of 100 ergs per gram of irradiated material
rad
2 of 3adjective
slang
: cool sense 7, radical
rad
3 of 3abbreviation
1
radian
2
radius
3
radix
Example Sentences
Recent Examples on the Web
Erik Kain, Forbes, 6 July 2022 The sides, particularly the smoky Southwest mac-and-cheese and confetti-colored vinegar slaw, were rad too. Matt Wake | Mwake@al.com, al, 7 July 2022 Big Red's has nine hot sauces and two smother sauces — blackberry rum and AZ Jerk, which are a pretty rad upgrade to typical barbecue sauces. Felicia Campbell, The Arizona Republic, 1 July 2022 Before Honda slapped the Pilot nameplate on a mid-size crossover, the moniker appeared on a rad single-seat ATV. Eric Stafford, Car and Driver, 26 May 2022 Bonus Points: New employees get a rad action figure of themselves upon hire. Nick Davidson, Outside Online, 1 Oct. 2014 Onstage, Rage Against the Machine‘s insistent, hard-core rock-rap amalgamation is nearly overmatched by its rad political clamor, spewed forth both in the songs and in the longish pauses between them. Katherine Turman, SPIN, 26 Feb. 2022 The pho is rad as-is, but adding the basil and sprouts only increased the texture and flavors. Matt Wake | Mwake@al.com, al, 15 Feb. 2022 All those questions will be answered just as surely as Jeff Probst will at some point be rocking his super-rad orange hat. Ew Staff, EW.com, 15 Dec. 2021 See More
Adjective
Eddie playing metal guitar in the Upside Down was pretty rad (if totally preposterous). Erik Kain, Forbes, 6 July 2022 The sides, particularly the smoky Southwest mac-and-cheese and confetti-colored vinegar slaw, were rad too. Matt Wake | Mwake@al.com, al, 7 July 2022 Big Red's has nine hot sauces and two smother sauces — blackberry rum and AZ Jerk, which are a pretty rad upgrade to typical barbecue sauces. Felicia Campbell, The Arizona Republic, 1 July 2022 Before Honda slapped the Pilot nameplate on a mid-size crossover, the moniker appeared on a rad single-seat ATV. Eric Stafford, Car and Driver, 26 May 2022 Bonus Points: New employees get a rad action figure of themselves upon hire. Nick Davidson, Outside Online, 1 Oct. 2014 Onstage, Rage Against the Machine‘s insistent, hard-core rock-rap amalgamation is nearly overmatched by its rad political clamor, spewed forth both in the songs and in the longish pauses between them. Katherine Turman, SPIN, 26 Feb. 2022 The pho is rad as-is, but adding the basil and sprouts only increased the texture and flavors. Matt Wake | Mwake@al.com, al, 15 Feb. 2022 All those questions will be answered just as surely as Jeff Probst will at some point be rocking his super-rad orange hat. Ew Staff, EW.com, 15 Dec. 2021 See More Word History
Etymology
Noun
radiation absorbed dose
First Known Use
Noun
circa 1953, in the meaning defined above
Adjective
1982, in the meaning defined above
Medical Definition
rad 1 of 2
noun
ˈrad
: a unit of absorbed dose of ionizing radiation equal to an energy of 100 ergs per gram of irradiated material
rad
2 of 2abbreviation
root —used in writing prescriptions