Word Games Pro Dictionaryradiocarbon nouna radioactive isotope of carbon ⧉Copy definition ↗Share ▣Print / Save PDFQuick referenceWord FactsWord length11Starts withREnds withNContainsADScrabble score16ListenAudio PronunciationAudio pronunciation is unavailable for this word. ▶US ◉Device Pronunciation MeaningDefinitionsnouna radioactive isotope of carbonKeep exploringRelated Tools Word Unscrambler Build words from mixed letters. → Scrabble Finder Find playable words and scores. → Word Finder Search A–Z word lists and patterns. → Starts With R Words beginning with R. → Ends With N Words ending with N. → 11 Letter Words Explore verified 11-letter words. →