• eleventh letter of the Latin alphabet, eighth consonant
  • phonetic name: "voiceless velar plosive"; sound: place the back of your tongue against your velum and release a pop of air
  • Egyptian hieroglyph was a sandy hill, or a cup / basket with a handle
  • adopted by Semites as the palm of a hand (kaph)
  • Greeks adopted it as their letter kappa (uppercase Κ, lowercase κ or ϰ)
  • in Roman, 'K' represents 250; abandoned by the Romans (because it was barely used) and it was reintroduced in the Middle Ages
  • closely tied to 'C' and 'Q'
  • 'K' can be silent, as in knife, knot, know
  • lower case 'k' is identical to the uppercase 'K', with the exception of the stem which is elongated and becomes an ascender
  • the junction of capital 'K' is usually slightly above letter's geometric centre
  • associated with power, force and Earth
  • as related to the palm of the hand, some words with Greek root 'chiro' are illuminated: chiropractor, chiromancy (palm reading), chirography (study of penmanship)
  • hand palms are considered minor chakras (in addition to the basic seven chakras) - the left palm receives a charge from the surrounding environment, the right palm releases extra electromagnetic charge from the body. Whirling dervishes dance with the left hand point to the Earth, and the right to Heaven.
  • Sumerian word 'kur', meaning "mountain", captures the essence of 'K' - powerful, hard, solid - in both pronunciation and graphic depiction
  • 'K' is also connected with earth / matter - Greek word 'kakos', meaning "bad", gives way to Latin word 'cacare', meaning "to shit"
  • following the smallness of the Greek iota, 'K' gives us grandeur, as in the Greek 'kolossus' (colossus, colossal)
  • "ka" = Egyptian term for vital energy animating gods and men
  • "ki"(also qi/chi) = Chinese term meaning breath or energy
  • 'K' stands for kilo, meaning 1000 (from the Greek word 'khilioi')
  • 'K' represents temperature scale Kelvin named after the Belfast-born physicist and engineer William Thomson, 1st Baron Kelvin (1824–1907). On the Kelvin scale, absolute zero (the theoretical temperature at which entropy would reach its minimum value) is defined as 0 K (−273.15°C Celsius).
  • 'K' is the chemical symbol for potassium (#19 on the periodic table), an essential metallic constituent for plant growth and a vital element in the human diet.
  • 'K' in printing term CMYK stands for black; 'K' was used because 'B' was already in use for blue in RGB
  • in computers, 'K' is the measuring unit for memory
  • 'K' stands for carat the unit measurement for gold and precious metals
  • 'K' is sometimes used in product packaging to represent Kosher
  • in education, K-12 refers to "kindergarten to grade 12"
  • in biology, 'K' is lysine, and amino acid
  • in astronomy, 'K' is a class of stars (between yellow and red)
  • in geology, 'K' stands for the cretaceous period
  • 'K' is slang for the recreational drug ketamine
  • 'K' is a strikeout in baseball
  • in boxing, K.O. is knock-out!
  • K-truss is a building construction truss shaped like letter 'K'
  • K-car is a 1986 Chrysler limousine
  • K-block is a building ward with high security, or for the temporarily insane
  • K-bar is a survival knife in the U.S. Marine Corps
  • K-gun is a battleship weapon
  • K-rations are food provided to soldiers during combat, and generally higher in nutrition than C-rations
  • K2 is the world's second highest mountain, bordering China and Pakistan
  • a police K-9 unit is just a phonetic rendering for canine unit
  • KKK = Ku Klux Klan
  • Romans branded false accusers with the letter 'K'
  • Vitamin K (aka retinol), is a blood clotting agent, and can be found in dark green leafy vegetables, eggs, cheese, pork and live
  • phonetic sound, 'kay', is often used as a substitute for the abbreviation "Okay" or "O.K.". "O.K." is thought to have derived from the notation "orl korrect" (meaning "all correct" or the Greek 'ola kala' (meaning "everything's good" or "all good")
  • 'K' is often used by marketing people in lieu of 'C' to be subversive and "hip". I.e. Kool-Aid, Krispy Kreme, Krazy Kat, etc.
  • the 'K' in Special K stands for Kellogg's
  • NATO phonetic alphabet: KILO
  • "'K' is the angle of reflection equal to the angle of incidence, a key to geometry." -Victor Hugo, French poet & playwright
  • "I find the letter 'K' offensive, almost nauseating." -Franz Kafka, German writer and novelist
  • K can also abbreviate king