American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "km" in a sentence
"The mine has been in production since 1906, and has resulted in the creation of a pit over 0.75 mile (1.2 km) deep, 2.5 miles (4 km) wide, and covering 1900 acres (7.7 km²)."
"Length about 55.8 km, depth few hundred meters, water surface elevation about 3263 m over sea level and volume of water is more than 16 km³."
"Two miles (3 km) eastward from the shore lies a chain of deep and narrow ponds, eight miles long (13 km), of an average width of three-quarters of a mile, and covering an area of 3,500 acres (14 km²)."