K

/kei/
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Definition

  1. Noun:

    • The 11th letter of the English alphabet: "K" is the 11th letter in the modern English alphabet.
    • A unit of information equal to 1024 bytes: In computing, "K" (often uppercase) can represent a kilobyte, which is 1024 bytes in binary systems.
    • A unit of information equal to 1000 bytes: In some contexts, especially in data storage and networking, "K" can represent 1000 bytes, following the metric system.
    • The cardinal number one thousand: "K" is a common abbreviation for the number 1,000, derived from the prefix "kilo-".
    • The chemical symbol for potassium: In chemistry, "K" is the symbol for the element potassium, from its Neo-Latin name 'kalium'.
    • A unit of thermodynamic temperature: "K" is the symbol for the kelvin, the base unit of thermodynamic temperature in the International System of Units (SI).

  2. Adjective:

    • Denoting a quantity of one thousand: Used before a noun to indicate a quantity of one thousand units.
Usage Examples

  • Noun:

    • The word "kite" starts with the letter k.
    • This file is 64 K in size. (Referring to 64 kilobytes)
    • The company's revenue reached 500K last quarter. (Meaning 500,000)
    • Potassium (K) is essential for human health.
    • Water freezes at 273.15 K. (273.15 kelvins)

  • Adjective:

    • She earns a k salary. (Informal for a salary in the thousands, e.g., 80K means $80,000)
Advanced Usage
  • "OK" or "okay": While not the single letter "k", in very informal digital communication (texting, instant messaging), a standalone "k" is sometimes used as a terse, and often perceived as rude, abbreviation for "OK".
    • Person A: "The meeting is at 3 PM." Person B: "k."
Variants and Related Words
  • Kilo-: A prefix meaning one thousand (e.g., kilogram, kilometer).
  • Kilobyte (KB): A unit of digital information.
  • Kelvin (K): The SI unit for temperature.
Synonyms
  • Thousand: For the numerical meaning (e.g., 1K = one thousand).
  • Potassium: For the chemical element.
Related Phrases

(Note: As a single letter, "k" does not form standard phrasal verbs. The following are common informal digital abbreviations.) - "k": As mentioned, an informal and abrupt reply meaning "OK". - "kk": An informal, often more friendly or neutral, variant meaning "OK" or "acknowledged".

Related Idioms

(Note: There are no common idioms based solely on the single letter "k".)

Adjective
  1. denoting a quantity consisting of 1,000 items or units
Noun
  1. street names for ketamine
  2. the 11th letter of the Roman alphabet
  3. a unit of information equal to 1024 bytes
  4. a unit of information equal to 1000 bytes
  5. the cardinal number that is the product of 10 and 100
  6. 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
  7. the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites

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