kc

Học thuật
Thân thiện
kc

A technician adjusts the kc setting on the radio equipment.

Definition
  1. Noun:
    • A unit of frequency: "kc" is an abbreviation for "kilocycle," a historical unit of frequency equal to one thousand cycles per second. It is now largely superseded by the SI unit kilohertz (kHz).
Usage Examples
  • Noun:
    • The old radio manual listed the station's frequency as 780 kc.
    • Early electronic equipment often measured signal frequency in kc.
Advanced Usage
  • Historical/Technical Context: The term "kc" is primarily found in older technical documents, schematics, and literature related to radio, electronics, and acoustics from the mid-20th century. Its use today is rare and considered obsolete in formal scientific contexts.
Variants and Related Words
  • Kilocycle (n): The full form of the abbreviation "kc."
  • Kilohertz (kHz) (n): The modern SI unit of frequency, equivalent to one thousand hertz or one kilocycle per second. Example:
Synonyms
  • Kilocycle per second: The explicit long form of the unit.
  • Kilohertz (kHz): The contemporary and standard term.
Notes on Usage
  • Obsolete Term: "kc" is an outdated abbreviation. In all modern technical, scientific, and engineering writing, the unit "kilohertz (kHz)" is used exclusively.
  • Capitalization: Typically written in lowercase ("kc").
kc

A technician adjusts the kc setting on the radio equipment.

Noun
  1. one thousand periods per second