English noun: Na | |||
1. | Na (substance) a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt) | ||
Synonyms | atomic number 11, sodium | ||
Broader (hypernym) | metal, metallic element | ||
Substance meronym | brine, halite, rock salt, saltwater, seawater | ||