1. A clearly established or specified limit or boundary point at which something begins, changes, or must be acted upon
The study established a definite threshold for acceptable noise levels in residential areas.
O estudo estabeleceu um limiar definido para níveis aceitáveis de ruído em áreas residenciais.
2. A precise quantifiable point or value that triggers a specific condition or response
Once the temperature reaches the definite threshold, the alarm system will activate automatically.
Quando a temperatura atinge o limiar definido, o sistema de alarme se ativa automaticamente.
3. In psychology and neuroscience, a specific minimum level of stimulus intensity required to produce a response
The definite threshold for pain perception varies between individuals.
O limiar definido para a percepção de dor varia entre os indivíduos.