ToolsAll tools
Suggest a tool or feature
Free accountPlus
Sign out
deuterium 2H; heavy hydrogen, isotope of hydrogen having 1 neutron in its nucleus, so atomic weight 2
Report a problem with this entry
It opens full screen from its icon. Recently opened pages also open without a connection.
We’ll email you a 6-digit code. No password needed.
Send a new codeUse another email
Word listDone
