loading
n
1 a load or burden; weight
2 the addition of an inductance to electrical equipment, such as a transmission line or aerial, to improve its performance
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loading coil
3 an addition to an insurance premium to cover expenses, provide a safer profit margin, etc.
4 the ratio of the gross weight of an aircraft to its engine power (power loading), wing area (wing loading), or some other parameter, or of the gross weight of a helicopter to its rotor disc area (disc loading)
5 (Psychol) the correlation of a factor, such as a personality trait, with a performance score derived from a psychological test
6 material, such as china clay or size, added to paper, textiles, or similar materials to produce a smooth surface, increase weight, etc.
7 (Austral. and N.Z.) a payment made in addition to a basic wage or salary to reward special skills, compensate for unfavourable conditions, etc.