square kilometer

noun

1. a unit of area measurement equal to a square measuring one kilometer on each side. : km 2 , sq. km

Example Sentences

The Netherlands, a major agricultural exporter, has more farm animals per square kilometer than any other country in Europe, and their waste emits high levels of nitrogen compounds that violate EU rules and harm the country’s ecosystems.

From Science Magazine

To search for signatures of quantum gravity, the team placed thousands of sensors throughout one square kilometer near the south pole in Antarctica that monitored neutrinos, unusual but abundant subatomic particles that are neutral in charge and have no mass.

From Science Daily

For the tortoise species to remain viable — an especially difficult feat, given their slow reproduction rates and long lifespans — an average of 3.9 adults must inhabit every square kilometer of those recovery areas.

From Salon

The minimum density for the tortoises to remain viable is 3.9 adults per square kilometer, according to the report.

From Los Angeles Times

Lining up visual and acoustic datasets for the first time, researchers built a statistical model to estimate the number of whales per square kilometer at different points in time.

From Science Daily