Deuterium
nounverified·updated May 18, 2026
an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
Framework senses
- §1
- an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
- §1 · legacy_primary
- an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)DR-088 backfill from the noun definition column