Definition of K:

• street names for ketamine
• the 11th letter of the Roman alphabet
• the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites
• the eleventh letter of the English alphabet, is nonvocal consonant. The form and sound of the letter are from the Latin, which used the letter but little except in the early period of the language.
• Chemical symbol for potassium.
• Eleventh letter of the alphabet.
• The eleventh letter of the English alphabet; a guttural consonant, borrowed from the Greeks, and invariably pronounced hard before vowels; but before the letter n having no sound, as in knee, or knife.
• the eleventh letter of the English alphabet, is nonvocal consonant. The form and sound of the letter K are from the Latin, which used the letter but little except in the early period of the language. It came into the Latin from the Greek, which received it from a Phoenician source, the ultimate origin probably being Egyptian. Etymologically K is most nearly related to c, g, h which see.
• 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
• the cardinal number that is the product of 10 and 100
• The eleventh letter in the English alphabet.
• denoting a quantity consisting of 1, 000 items or units

Usage examples for K

1. Mark my words, now.  Pixie O'Shaughnessy by Mrs. George de Horne Vaizey

2. " Edward K. Wehling, Jr.  2 B R 0 2 B by Kurt Vonnegut

3. " That's why I sent for you, Mark," he said.  The Second Generation by David Graham Phillips

4. Absolutely O. K. Faults on both sides, no doubt.  Right Ho, Jeeves by P. G. Wodehouse