A mixture of materials (ceramic, metals, etc.) with dimensions on the nanometric scale (10-9 m).

Materials/solid particles with dimensions on the nanometric scale.

Technology with the aim of developing applications based on nanomaterials.

A unit of force in the International System (N), equal to the force required to produce acceleration of 1 m/s2 when exerted on a mass of 1 kg.

Gases produced by the combustion of fossil fuels. They contribute to the formation of ozone in the lower atmosphere and "acid" depositions during normal rainfall.

Categories of waste that are not dangerous to human health or the environment, classified on the basis of European Decision 2000/532/EC, modified by Decisions 2001/118/EC, 2001/119/EC and 2001/573/EC.

See Nitric oxides.