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threshold

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Noun threshold has 5 senses
  1. threshold - the starting point for a new state or experience; "on the threshold of manhood"
    --1 is a kind of
    beginning, commencement, first, outset, get-go, start, kickoff, starting time, showtime, offset
  2. threshold, limen - the smallest detectable sensation
    --2 is a kind of sensation, sense experience, sense impression, sense datum
    --2 has particulars:
     absolute threshold; difference threshold, differential threshold, difference limen, differential limen
  3. doorway, door, room access, threshold - the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; "he stuck his head in the doorway"
    --3 is a kind of entrance, entranceway, entryway, entry, entree
    --3 is a part of wall
    --3 has parts:
     casing, case; door; doorframe, doorcase; doorsill, doorstep, threshold
    --3 has particulars: exterior door, outside door
  4. doorsill, doorstep, threshold - the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offer support when passing through a doorway
    --4 is a kind of sill
    --4 is a part of doorway, door, room access, threshold
  5. brink, threshold, verge - a region marking a boundary
    --5 is a kind of boundary, edge, bound
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