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fthm

Definitions of fthm
  1. noun
    a linear unit of measurement (equal to 6 feet) for water depth
    synonyms: fathom
    see moresee less
    type of:
    linear measure, linear unit
    a unit of measurement of length
  2. noun
    (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore
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