TopicExchange rates & FX
umbral · /umˈbɾal/
umbral
umbral/umˈbɾal/noun
level at which something begins or changes
umbral
Examples
The sensor only triggers above a certain threshold.
She stood on the threshold of a new career.
Raise the payment threshold to reduce small transfers.
✦ AI example added · juin0com
Related words
Notes from other learners
No learner notes yet. Save this word with a note — it may appear here after review.