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 high-pass filter high-pass filter /haɪ-pæs ˈfɪltər/

noun

  1. A filter that passes frequencies above a certain value and attenuates frequencies below that value  ( high-pass filter )
    a filter that passes frequencies above a certain value and attenuates frequencies below that value
     The audio engineer employed a high-pass filter to eliminate low-frequency noises.
    The audio engineer employed a high-pass filter to eliminate low-frequency noises.


 secreter secreter /sɪˈkriːtər/

noun

  1. Any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream  ( secreter , secretor , secretory organ , gland )
    any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream
     The thyroid gland produces hormones that regulate our metabolism
    The thyroid gland produces hormones that regulate our metabolism


 Old World beaver Old World beaver /oʊld wɜːrld ˈbiːvər/

noun

  1. A European variety of beaver  ( Castor fiber , Old World beaver , European beaver )
    a European variety of beaver


 free agent free agent /friː ˈeɪdʒənt/

noun

  1. Someone acting freely or even irresponsibly  ( free agent , free spirit , freewheeler )
    someone acting freely or even irresponsibly
  2. (sport) a professional athlete who is free to sign a contract to play for any team  ( free agent )
    (sport) a professional athlete who is free to sign a contract to play for any team
     After his contract expired, the basketball player became a sought-after free agent in the market.
    After his contract expired, the basketball player became a sought-after free agent in the market.