(chemistry) A radical cation of potassium with a charge number of 1
The first letter of callsigns allocated to American broadcast television and radio stations west of the Mississippi river.
Other Word Forms of K
Origin of K
From Middle English -ken, -kien, from Old English -cian, from Proto-Germanic *-kōną. Cognate with West Frisian -kje, German -chen, Danish -ke, Swedish -ka. Perhaps related to Old English diminutive suffix -uc, -oc. More at -ock.
From American Heritage Dictionary of the English Language, 5th Edition