radian, rad
(noun) 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)
rad
(noun) a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
Source: WordNet® 3.1
rad (comparative radder, )
(slang) Clipping of radical; excellent
rad (plural rads)
(metrology) A non-SI unit of absorbed dose of radiation, equal to 0.01 gray.
Synonym: rd (abbreviation)
Coordinate term: gray
Abbreviation of radian.
(automotive, plumbing, slang) Abbreviation of radiator.
(firearms, slang) Abbreviation of sight radius.
• 'ard, -ard, -dar, ADR, ARD, Ard, DAR, DRA, Dar, Dra, RDA, ard, dar
RAD (countable and uncountable, plural RADs)
(computing) Initialism of rapid application development.
RAD
(NASA, space) Initialism of Radiation Assessment Detector (a scientific instrument of the Mars Science Laboratory onboard the Curiosity rover at Mars.)
• 'ard, -ard, -dar, ADR, ARD, Ard, DAR, DRA, Dar, Dra, RDA, ard, dar
Source: Wiktionary
Rad, obs.
Definition: imp. & p. p. of Read, Rede. Spenser.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 May 2025
(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”
Contrary to popular belief, coffee beans are not technically beans. They are referred to as such because of their resemblance to legumes. A coffee bean is a seed of the Coffea plant and the source for coffee. It is the pit inside the red or purple fruit, often referred to as a cherry. Just like ordinary cherries, the coffee fruit is also a so-called stone fruit.
