natrium
/ˈneɪtrɪəm/ /ˈnatrɪəm/noun
Sodium.
- Now chiefly in pharmaceutical names of drugs and with reference to languages other than English..
Origin
Mid 19th century; earliest use found in Andrew Ure (1778–1857), chemist. From scientific Latin natrium from natr- (in French natron) + -ium.