threshold

seuil

Niveau à atteindre ou à dépasser pour que quelque chose se produise.

En anglais simple : The level that must be reached or passed before something happens.

• She has a high pain threshold.
• The temperature passed the threshold for opening the valve.
• Lower thresholds would cause more frequent warnings.

Comment l'utiliser : threshold for something (The threshold for an automatic warning is quite low.)

Synonymes : limit, trigger point

Expressions courantes : pain threshold, above the threshold, threshold for something, income threshold

seuil

Bande de bois ou de pierre au bas d’une ouverture de porte, que l’on franchit.

En anglais simple : The strip of wood or stone at the bottom of a doorway that you step over.

• He stepped over the threshold.
• A cat was sleeping on the threshold.
• The wooden threshold needs replacing.

Synonymes : doorsill

Expressions courantes : cross the threshold, on the threshold, step over threshold

seuil de piste

Point d’une piste où commence la zone utilisable pour l’atterrissage.

En anglais simple : The point on a runway where the area used for landing begins.

• The aircraft passed over the threshold.
• White markings show the runway threshold.
• The pilot could see the threshold lights through the rain.

Expressions courantes : runway threshold, displaced threshold, threshold lights