emergencychip
nounUK /ɪˈmɜːdʒənsi tʃɪp/
US /ɪˈmɝːdʒənsi tʃɪp/
A special chip you keep for when something goes wrong.
She packed an emergencychip in her bag just in case her phone broke.
OTHER MEANINGS
2. A small snack chip saved for a sudden hunger moment.
He kept an emergencychip in his pocket for the long hike.
3. A tiny computer part used only when the main one fails.
The robot switched to its emergencychip when the main board crashed.
4. A token or card kept for urgent use.
Keep this emergencychip in your wallet for the bus.