sodium

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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) (Freq. 1)
• Syn:
Na, atomic number 11
• Hypernyms:
metallic element, metal
• Substance Holonyms:
seawater, saltwater, brine, halite, rock salt

• Từ đồng nghĩa / Synonyms:
  Na, atomic number 11