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1. The starting point for a new state or experience
   "on the threshold of manhood"
    
2. The smallest detectable sensation
   - limen
    
3. The entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
   - doorway, door, room access
    
4. The sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway
   - doorsill, doorstep
    
5. A region marking a boundary
   - brink, verge

1. Modify by replacing values larger or smaller than a given threshold value by another value

Derived forms: thresholding, thresholded, thresholds

Type of: aesthesis, beginning, bound, boundary, commencement, edge, entrance, entranceway, entrée, entry, entryway, esthesis [US], first, get-go [N. Amer], kickoff, offset, outset, sensation, sense datum, sense experience, sense impression, showtime, sill, start, starting time

Part of: wall

Encyclopedia: Threshold