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.
Description: The kilogram is the base unit of mass in the International (SI) System of Units, and is accepted on a day-to-day basis as a unit of weight (the gravitational force acting on any given object).The kilogram is almost exactly equal to the mass of one litre of water.Definition: The kg is defined as being equal to the mass of the International Prototype of the Kilogram (IPK), a block of platinum-iridium alloy manufactured in 1889 and stored at the International Bureau of Weights and Measures in Sevres, SÃ¨vres. franceescription: The kilogram is the base unit of mass in the International (SI) System of Units, and is accepted on a day-to-day basis as a unit of weight (the gravitational force acting on any given object).