noun [usu.as adj.]
sound, esp. when recorded, transmitted, or reproduced: audio equipment

ORIGIN 1930s: independant usage of AUDIO-

noun
1 the action of making or manufacturing from components or raw materials, or the process of being so manufactured: the production of chemical weapons | it is no longer in production

• the harvesting or refinement of something natural: nonintensive methods of food production.
• the movie,play or record, esp. when viewed in terms of its making or staging the record's production is gloriously relaxed.

ORIGIN late Middle English: via Old French from Latin productio(n-), from producere 'bring forth' (see PRODUCE)

noun
1 the action of helping or doing work for someone:

• an act of assistance: he has done us a great service
• assistance or advice given to customers during and after the sale of goods: they aim to provide better quality of service.