km
Học thuậtThân thiện
Definition
- Noun:
- A unit of length: "km" is an abbreviation for "kilometer," a metric unit of length equal to one thousand meters.
Usage
- "km" is used as a standard symbol or abbreviation in writing and measurement to denote distances.
- It is commonly used in maps, road signs, athletic events, and scientific contexts.
- It is typically written in lowercase ('km') and follows a numerical value (e.g., 5 km).
Examples
- Noun:
- The distance between the two cities is 350 km.
- She ran a 10 km race last weekend.
- The speed limit on this highway is 100 km per hour.
Advanced Usage
- "km/h" or "km per hour": a unit of speed expressing the number of kilometers traveled in one hour.
- The car was traveling at 60 km/h.
Variants and Related Words
- Kilometer (n): the full, unabbreviated form of "km."
- The track is exactly one kilometer long.
- Kilometric (adj): relating to or measured in kilometers (less common).
- The map provides kilometric distances.
Synonyms
- Kilometer: the full term for the same unit.
- Klick (n, informal): military slang for a kilometer.
Notes
- "km" is an international standard symbol. It is not typically used in spoken language as an abbreviation; the full word "kilometer" is spoken.
- In British English, the spelling "kilometre" is used, but the abbreviation "km" remains the same.
Noun
- a metric unit of length equal to 1000 meters (or 0.621371 miles)