Threshold
/θrˈɛˌʃoʊld/
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Definition
(noun) The lowermost part of a doorway that one crosses to enter; a sill.
Sentence Examples
When the input exceeds a certain threshold, an output signal is instantaneously released.
His pain exceeded every threshold.
CEFR Practice Quiz
He paused at the ____ of the room, feeling a bit nervous before he entered to give his first public speech today.