radio emission
— Noun
– English
~ an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
radio news
— Noun
– English
~ a radio broadcast of news
radio announcer
— Noun
– English
~ an announcer whose voice is broadcast on radio
radio
— Verb
– English
~ transmit messages via radio waves; "he radioed for help"
radio-opaque
— Adjective
– English
~ not transparent to X-rays or other forms of radiation; "barium sulfate is radiopaque"
radio-controlled
— Adjective
– English
~ operated and guided by radio; "a radio-controlled airplane"
radio
— Adjective
– English
~ indicating radiation or radioactivity; "radiochemistry"
radioactive dating
— Noun
– English
~ measurement of the amount of radioactive material (usually carbon 14) that an object contains; can be used to estimate the age of the object
radioactive dust
— Noun
– English
~ the radioactive particles that settle to the ground after a nuclear explosion
radioactive decay
— Noun
– English
~ the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
radioactive
— Adjective
– English
~ exhibiting or caused by radioactivity; "radioactive isotope"; "radioactive decay"; "radioactive fallout"
radioactively
— Adverb
– English
~ in a radioactive manner; "radioactively labeled"
radioactivity
— Noun
– English
~ the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
radiobiologist
— Noun
– English
~ a biologist who studies the effects of radiation on living organisms
radiobiology
— Noun
– English
~ the branch of biology that studies the effects of radiation on living organisms
radiocarbon dating
— Noun
– English
~ a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon 14; believed to be reliable up to 40,000 years
radiocarbon
— Noun
– English
~ a radioactive isotope of carbon
radiocarpal joint
— Noun
– English
~ a joint between the distal end of the radius and the proximal row of carpal bones
radiochemist
— Noun
– English
~ a chemist who specializes in nuclear chemistry