noun (n)

• the process of taking food into the body through the mouth (as by eating)(noun.act)

  Synonym:
  ingestion, intake, uptake
  

  source: wordnet30
• involving the lungs with progressive wasting of the body(noun.state)

  Synonym:
  phthisis, pulmonary tuberculosis, wasting disease, white plague
  

  source: wordnet30
• (economics) the utilization of economic goods to satisfy needs or in manufacturing(noun.process)

  Example:
  The consumption of energy has increased steadily.
  

  Synonym:
  economic consumption, usance, use, use of goods and services
  

  source: wordnet30
• the act of consuming something(noun.act)

  Synonym:
  expenditure, using up
  

  source: wordnet30
• The act or process of consuming by use, waste, etc.; decay; destruction.(noun)

  source: webster1913