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K3 symbol of the chemical element potassium.
k the eleventh letter of the English alphabet.
Kabul the capital city of Afghanistan.
Kalahari Desert an arid and sandy region of southern Africa stretching over a large part of Botswana as well as parts of Namibia and South Africa.
kaleidoscope a tube with small bits of colored glass and mirrors inside. The tube is held to the eye and turned to see changing forms.
kangaroo a mammal with long pointed ears, short front legs, and big, powerful back legs. Kangaroos use their large tails for balance when hopping. Kangaroos are marsupials that live in Australia and New Guinea. The females have a pouch in their belly, where they carry their baby for a few months after it is born. Some kinds of kangaroos are as small as rabbits; other kinds are as large as grown humans.
Kansas a state in the midwestern United States. Its capital is Topeka. (abbreviated: KS)
karaoke a kind of music entertainment system that plays the music of popular songs, but leaves out the vocals. This allows a person to sing along with the music. Karaoke was invented in Japan.
karat a unit of measure for the purity of gold equal to one twenty-fourth part of pure gold.
karate a way to protect and guard oneself without weapons. Karate uses hard blows with the elbows or the edges of the hands or feet.
katydid a large, green insect that is related to the grasshopper. Katydids live in trees and are often heard calling on summer nights. The male makes a noise that sounds like "katydid" by rubbing its wings together.
kayak a boat, used by the Inuit people, that is slim with a light frame and is pointed at both ends. Kayaks are covered with a waterproof skin that may be pulled tight around the waist of the person inside. [2 definitions]
Kazakhstan a Central Asian country located to the south of Russia. The capital of Kazakhstan is Astana.
keel a long piece of wood or metal that runs down the length of the bottom of a boat or ship. The keel makes a boat or ship stable in the water.
keel over to fall over suddenly; faint.
keen1 very sharp; able to cut easily into thin, exact pieces. [3 definitions]
keep to hold or continue to hold. [8 definitions]
keep an eye on to watch or tend with care.
keep an eye out to watch closely.
keeping harmony or agreement. [2 definitions]
keep one's balance to stay steady and upright.