KM

Pronunciation (US):

(GB):

 Dictionary entry overview: What does km mean? 

• KM (noun)
  The noun KM has 1 sense:

1. a metric unit of length equal to 1000 meters (or 0.621371 miles)

  Familiarity information: KM used as a noun is very rare.

 Dictionary entry details 

• KM (noun)

Sense 1

Meaning:

A metric unit of length equal to 1000 meters (or 0.621371 miles)

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

kilometer; kilometre; klick; km

Hypernyms ("km" is a kind of...):

metric linear unit (a linear unit of distance in metric terms)

Meronyms (parts of "km"):

hectometer; hectometre; hm (a metric unit of length equal to 100 meters)

Holonyms ("km" is a part of...):

mym; myriameter; myriametre (a metric unit of length equal to 10,000 meters)

 Context examples 

According to the MAVEN data, solar particles that caused the "Christmas lights" penetrated deeply into the Martian atmosphere—sparking auroras less than 100 km from the surface.

(Auroras on Mars, NASA)

Between 2009 and 2015, it stabilised at an average 6,080 km² per year, with the year 2012 seeing the lowest deforestation rate in the last 20 years (4,571 km²).

(Amazon lost 7,989 km² of forest in 12 months, Agência Brasil)

The animals were transported more than 500 miles (800 km).

(Northern Arapaho Tribe welcomes buffalo herd in Wyoming, United States, Wikinews)

Pluto, the most famous of dwarf planets, has a diameter close to 2400 km, while Ceres is close to 950 km in size.

(ESO Telescope Reveals What Could be the Smallest Dwarf Planet Yet in the Solar System, ESO)

As Rosetta approaches the comet (now less than 9,000 km away), the form of the nucleus is coming into focus, and it is extraordinary.

(Rosetta Comet May Be a Contact Binary, NASA)

On Sept. 19, ‘Oumuamua sped past the Sun at about 196,000 mph (315,400 km/h), fast enough to escape the Sun’s gravitational pull and break free of the solar system, never to return.

(New Study Shows What Interstellar Visitor ‘Oumuamua Can Teach Us, NASA)

Haumea measures 2,320 km on its longest side, which is nearly as long as Pluto.

(Brazil astronomers discover ring around dwarf planet near Pluto, Agência Brasil)

In their work, researchers covered over 22 thousand km across the 14 conservation units, all of which controlled by the Chico Mendes Biodiversity Conservation Institute (ICMBio).

(Brazilian savanna unprotected, study finds, Agência Brasil)

Initially, ten sensors will be set up this month at different points of Mamirauá Sustainable Development Reserve, located about 600 km west of Manaus, midstream of the Solimões river.

(Amazon jungle animals to be monitored by sensors, Agência Brasil)

Zapata flew across the water at over 100 mph (161 km/h).

(French inventor Franky Zapata successfully crosses English Channel on jet-powered hoverboard, Wikinews)