Na

Noun

WORDNET DICTIONARY

na(n = noun.substance) atomic number 11, sodium - 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); Array

is a kind of metal, metallic element

Na, a. & adv.

No, not. See No. [1913 Webster]

Na, symb. Chem. the element sodium.

Na, adv. Sc. (in comb.; usu. with an auxiliary verb) = NOT (I canna do it; they didna go).

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