K has 13 different meanings across 5 categories:
a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
street names for ketamine
A kilobyte (more formally KB or kB).
Abbreviation of contract.
denoting a quantity consisting of 1,000 items or units
The eleventh letter of the English alphabet, called kay and written in the Latin script.
The ordinal number eleventh, derived from this letter of the English alphabet, called kay and written in the Latin script.
OK