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4. respiration

noun. ['ˌrɛspɝˈeɪʃən'] a single complete act of breathing in and out.

Etymology

  • respiration (English)
  • respiracioun (Middle English (1100-1500))
  • respiratio (Latin)

6. artificial

adjective. ['ˌɑːrtəˈfɪʃəl'] artificially formal.

7. artificial

adjective. ['ˌɑːrtəˈfɪʃəl'] not arising from natural growth or characterized by vital processes.

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