kc
Definition
- 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 It is now largely superseded by the SI unit kilohertz (kHz).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- Obsolete Term: "kc" is an outdated abbreviation.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").
Noun
-
one thousand periods per second
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