K

Ⅰ.

K [1] (also k) ► NOUN (pl. Ks or K's) 1) the eleventh letter of the alphabet. 2) denoting the next item after J in a set.

Ⅱ.

K [2] ► ABBREVIATION 1) kelvin(s). 2) Computing kilobyte(s). 3) kilometre(s). 4) (in card games and chess) king. 5) Köchel (catalogue of Mozart's works). 6) informal thousand. [ORIGIN: from KILO-(Cf. ↑kilo-).]

► SYMBOL ▪ the chemical element potassium. [ORIGIN: from Latin kalium.]