K in WordNet English dictionary

1. the cardinal number that is the product of 10 and 100
   thousand  one thousand  1000  M  K  chiliad  G  grand  thou  yard 
   
2. 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
   potassium  K  atomic number 19 
   
3. street names for ketamine
   K  jet  super acid  special K  honey oil  green  cat valium  super C 
   
4. the 11th letter of the Roman alphabet
   K  k 
   
5. a unit of information equal to 1024 bytes
   kilobyte  kibibyte  K  KB  kB  KiB 
   
6. a unit of information equal to 1000 bytes
   kilobyte  K  KB  kB 
   
7. the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites
   kelvin  K 
   
8. the 11th letter of the Roman alphabet
   K  k