Home › Words › E › ectonucleosideectonucleosideectonucleoside means any nucleoside that is found outside of a cell.EtymologyFrom ecto- + nucleoside.nounAny nucleoside that is found outside of a cellDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.ectonucleotide 92% match — Any nucleotide found outside a cell vs ectonucleoside →ectonucleosidase 87% match — Any nucleosidase that is active outside of a cell vs ectonucleoside →ectonucleotidase 80% match — Any nucleotidase that is active outside of a cell vs ectonucleoside →deoxynucleoside 67% match — Any nucleoside containing a deoxy sugar vs ectonucleoside →ectoenzyme 66% match — Any enzyme found outside of (or on the outer surface of) a cell vs ectonucleoside →anhydronucleoside 64% match — Any nucleoside derived from an anhydrosugar vs ectonucleoside →endonucleotidic 64% match — Relating to endonucleotides vs ectonucleoside →internucleoside 64% match — Between nucleosides vs ectonucleoside →