tin·der /ˈtɪndɚ/
  火絨
  Tin·der n.  Something very inflammable, used for kindling fire from a spark, as scorched linen.
  German tinder. Same as Amadou.
  Tinder box, a box in which tinder is kept.
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  tinder
       n : material for starting a fire [syn: kindling, touchwood,
           spunk, punk]