threshold THRESH-ohld noun WS #40

the strip of wood, metal, or stone forming the bottom of a doorway and crossed in entering a house or room; a point of entry or beginning; the magnitude or intensity that must be exceeded for a certain reaction, phenomenon, result, or condition to occur

1. The country stood on the threshold of a new era after the peaceful revolution changed the government.
2. She paused at the threshold of the old house, hesitant to enter the mysterious dwelling.
3. The pain threshold varies from person to person, with some individuals able to tolerate more discomfort than others.
4. Scientists measured the threshold at which the chemical reaction would begin to occur under laboratory conditions.
5. The threshold for admission to the prestigious university was extremely high, requiring perfect grades and test scores.