radon en · NOUN
Pronunciation
Etymology
Etymology tree Latin radiusder. French radio- Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actif French actif French radio(actif) Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -iusnom. Latin -ium French radiumbor. English radiumder. Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Italic *eks Latin exder. Latin ē Proto-Indo-European *meh₂-der. Proto-Indo-European *meh₂-no-der. Latin mānō Proto-Italic *-āzi ▲ Latin -ereinflu. Latin -āre Latin mānāre Latin ēmānārebor. English emanate Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -ion English emanationder. English radium emanationder. English radon Contraction of radium emanation, since the element appears in the radioactive decay of radium. By surface analysis, radio- + -on (“suffix for noble gases”).
Meanings
- (uncountable) The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.
- (countable) The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas. ▸ An atom of this element.
- (uncountable) Radon-222 (22286Rn), the most stable isotope of said element.
Deriveds
radon fluoride · nonradon · radonate · eka-radon · radoniferous · radonproof · radon difluoride · radon seed
Hyponyms
thoron (a chemical element) · actinon (a chemical element)
Relateds
radium · actinon · radium emanation
Synonyms
exradio (radon-222; an isotope of radon) · niton (a chemical element) · radeon (radon-222; an isotope of radon) · radium emanation (radon-222; an isotope of radon) · emanation (a chemical element)
Translations (67)
fur radon (chemical element) · af radon (chemical element) · fr radon (chemical element) · sk radón (chemical element) · ast radón (chemical element) · is radon (chemical element) · csb redón (chemical element) · gl radon (chemical element) · th เรดอน (chemical element) · ro radon (chemical element) · uz radon (chemical element) · gv raadon (chemical element) · sl radon (chemical element) · tr radon (chemical element) · ka რადონი (chemical element) · it radon (chemical element) · vi rađơn (chemical element) · ru радо́н (chemical element) · et radoon (chemical element) · de Radon (chemical element) · pl radon (chemical element) · mk радон (chemical element) · pt rádon (chemical element) · ko 라돈 (chemical element) · sv radon (chemical element) · lv radons (chemical element) · nl radon (chemical element) · mn радон (chemical element) · sh радон (chemical element) · he רדון (chemical element) · da radon (chemical element) · vo radonin (chemical element) · fa رادون (chemical element) · ta ஆரகன் (chemical element) · sh radon (chemical element) · ca radó (chemical element) · fi radon (chemical element) · fy radon (chemical element) · it rado (chemical element) · km រ៉ាដុង (chemical element) · hi तैजसाति (chemical element) · uz радон (chemical element) · fo radon (chemical element) · eo radono (chemical element) · oc radon (chemical element) · ja ラドン (chemical element) · cs radon (chemical element) · el ραδόνιο (chemical element) · ug رادون (chemical element) · no radon (chemical element) · kk радон (chemical element) · eu radona (chemical element) · hy ռադոն (chemical element) · uk радо́н (chemical element) · ta ரேடோன் (chemical element) · be радо́н (chemical element) · ms radon (chemical element) · ga radón (chemical element) · lb Radon (chemical element) · hu radon (chemical element) · lt radonas (chemical element) · bg радо́н (chemical element) · cmn 氡 (chemical element) · ar رَادُون (chemical element) · tg радон (chemical element) · es radón (chemical element) · mt radon (chemical element)