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kilogram a unit of weight equal to one thousand grams or 2.205 pounds. (abbr.: kg)
kilohertz a unit of frequency equal to one thousand cycles per second or one thousand hertz; kilocycle. (abbr.: kHz)
kiloliter a unit of capacity equal to one thousand liters or 264.2 gallons, or to one cubic meter or 1.308 cubic yards.
kilometer a unit of length equal to one thousand meters or 0.621 mile. (abbr.: km)
kilometre a spelling of kilometer used in Canada and Britain. See kilometer.
kiloton a unit of power used in measuring the force of nuclear weapons, equal to the explosive force of one thousand tons of TNT.
kilovolt a unit of electromotive force equal to one thousand volts. (abbr.: kv, KV)
kilowatt a unit of electrical power equal to one thousand watts. (abbr.: kw, kW)
kilowatt-hour a unit of electrical energy equal to one kilowatt operating for one hour. (abbr.: kwh, kWh)
kilt a knee-length, pleated, plaid wool skirt traditionally worn by Scottish men.
kilter good shape or condition.
kimberlite a type of igneous rock that sometimes contains diamonds, named after the town of Kimberley, South Africa.
kimchi a dish made of spicy, pickled cabbage that is an important part of Korean cuisine.
kimono a long, Japanese garment, closing across the front of the body and having wide sleeves and a broad sash. [2 definitions]
-kin little.
kin the members of an extended family collectively; relatives; kinfolk. [4 definitions]
kina the chief monetary unit of Papua New Guinea, equaling one hundred toea.
kind1 helpful and good-natured; benevolent. [2 definitions]
kind2 a group of things, people, animals, or other entities that are classed together because of similarities. [4 definitions]
kinda contraction of "kind of" used in some kinds of writing to reflect how the two words are often pronounced in rapid, informal speech (used as an adverb).
kindergarten a program or grade level that introduces very young children to schoollike activities.