noun : THRESHOLD
Source: WordNet 3.1
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1. (
) the starting point for a new state or experience; "on the threshold of manhood" ;
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2. (
) the smallest detectable sensation ;
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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; "he stuck his head in the doorway" ;
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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 ;
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5. (
) a region marking a boundary ;
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