Quick Quiz: Verbs Score:
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Definition: combine or treat with or expose to hydrogen, esp. to add hydrogen to the molecule of (an unsaturated organic compound)

Your choice?
  • ruminate  (Definition: chew the cuds; of ruminants)
  • conglutinate  (Definition: stick together; as of the edges of a wound)
  • hydrogenate
  • hibernate  (Definition: sleep during winter, as of certain animals, such as bears)