Antonyms
Synonyms

5. system

noun. ['ˈsɪstəm'] (physical chemistry) a sample of matter in which substances in different phases are in equilibrium.

Antonyms

Synonyms

6. engine

noun. ['ˈɛndʒən, ˈɪndʒən'] motor that converts thermal energy to mechanical work.

Etymology

  • engine (English)
  • engin (Middle English (1100-1500))
  • engin (Old French (842-ca. 1400))
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