释义 |
radio-
radio- or radi-pref.1. Radiation; radiant energy: radiometer.2. Radioactive: radiochemistry.3. Radio: radiotelephone. [From radiation.]radio- combining form 1. (Telecommunications) denoting radio, broadcasting, or radio frequency: radiogram. 2. (General Physics) indicating radioactivity or radiation: radiochemistry; radiolucent. 3. (Nuclear Physics) indicating a radioactive isotope or substance: radioactinium; radiothorium; radioelement. [from French, from Latin radius ray; see radius]ra•di•o (ˈreɪ diˌoʊ) n., pl. -di•os, n. 1. a system of telecommunication employing electromagnetic waves of a particular frequency range to transmit speech or other sound over long distances without the use of wires. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining to, used in, or sent by radio. 5. pertaining to electromagnetic radiation having frequencies in the range of approximately 10 kHz to 300,000 MHz: radio waves. v.t. 6. to transmit (a message, music, etc.) by radio. 7. to send a message to (a person) by radio. v.i. 8. to transmit a message, music, etc., by radio. [1910–15; shortening of radiotelegraph or radiotelegraphy] radio- a combining form with the meanings “radiant energy” (radiometer), “radio waves” (radiophotograph ), “emission of rays as a result of the breakup of atomic nuclei” (radioactivity), “x-rays” (radiotherapy). [< French, comb. form representing Latin radius beam]
radio-
radio-[′rād·ē·ō] (electromagnetism) A prefix denoting the use of radiant energy, particularly radio waves. (nucleonics) Chemical prefix designating radiation or radioactivity; used to designate radioactive elements (such as radiocarbon) and substances containing them (such as radiochemicals, radiocolloids, or radio compounds). radio-
radio-1. Radiation, chiefly (in medicine) gamma or x-ray. 2. Synonym(s): radioactive3. Synonym(s): radius [L. radius, ray] radio- A Latin root used in: (1) Radius (the bone)—e.g., radioulnar; (2) Ionising radiation—e.g., radioactivity; or (3) A radioactive isotope—e.g., radiocarbon.radio- Prefix meaning radiation, chiefly (in medicine) gamma-ray or x-ray. [L. radius, ray]radio- Combining form denoting radiation.radio- Combining form meaning relation, chiefly (in medicine) gamma or x-ray. [L. radius, ray]ThesaurusSeeradio |