Definition of ARMLET. 1. : a band (as of cloth or metal) worn around the upper arm.2. : a small arm (as of the sea).See armlet defined for kids. ADVERTISEMENT.efinition of ARMLET. 1. : a band (as of cloth or metal) worn around the upper arm. 2. : a small arm (as of the sea). See armlet defined for kids.
Definition of kilogram. 1  1 : the base unit of mass in the International System of Units that is equal to the mass of a prototype agreed upon by international convention and that is nearly equal to the mass of 1000 cubic centimeters of water at the temperature of its maximum density â see metric system table.
The kilogram or kilogramme is the base unit of mass in the International System of Units, and is defined as being equal to the mass of the International Prototype of the Kilogram, a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France. It is the only metric base unit which is defined by an artifact. The kilogram was originally defined as the mass of a litre of water at the freezing point. That was an inconvenient quantity to precise