Synonym: doorway, gateway, portal. Similar words: with respect to, three, threat, thread, threaten, freshman, with regard to, in the shape of. Meaning: ['θreʃhəʊld] 
n. 1. the starting point for a new state or experience 2. the smallest detectable sensation 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 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 5. a region marking a boundary.
n. 1. the starting point for a new state or experience 2. the smallest detectable sensation 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 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 5. a region marking a boundary. 
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151. The wavelet soft - threshold denoising method can reduce the interference effectively.
152. The percolation threshold of aspirin was obtained after a series of calculations using percolation theory.
153. The improved function is applied to noise reduction of wire rope fault signals, and its effect is compared with that of the traditional multiwave threshold function.