RADIOACTIVE
radioactive
(adjective) exhibiting or caused by radioactivity; “radioactive isotope”; “radioactive decay”; “radioactive fallout”
Source: WordNet® 3.1
Etymology
Adjective
radioactive (not comparable)
Exhibiting radioactivity.
(figurative, rare) Dangerous and disgusting, particularly of people or ideas.
Noun
radioactive (plural radioactives)
Any radioactive substance.
Source: Wiktionary
Ra`di*o-ac"tive, a. [Radio-+ active.] (Physics)
Definition: Capable of luminescence under the action of cathode rays, X rays, or any of the allied forms of radiation. -- Ra`di*o- ac*tiv"i*ty, n.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
16 March 2025
SUSPENDED
(adjective) (of undissolved particles in a fluid) supported or kept from sinking or falling by buoyancy and without apparent attachment; “suspended matter such as silt or mud...”; “dust particles suspended in the air”; “droplets in suspension in a gas”
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