English word radionucleotide comes from English nucleotide, English radio-

Detailed word origin of radionucleotide

Dictionary entry	Language	Definition
nucleotide	English (eng)	(biochemistry) The monomer constituting DNA or RNA biopolymer molecules. Each nucleotide consists of a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine; a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA); and a phosphate group.
radio-	English (eng)	(anatomy) radius (bone). (geometry) radius. Radiation. Radio (broadcasting).
radionucleotide	English (eng)	Any nucleotide labelled with a radioactive tracer.

Words with the same origin as radionucleotide