Meaning of escalation in English
escalation
noun [ C or U ]
UKvolume_up
/ˌes.kəˈleɪ.ʃən/
USvolume_up
/ˌes.kəˈleɪ.ʃən/

a situation in which something becomes greater or more serious:

It's difficult to explain the recent escalation in/of violent crime.

Price escalations for building materials caused the project to be cancelled.

escalation
noun [ C/U ]
USvolume_up
/ˌes·kəˈleɪ·ʃən/

the process of becoming greater or more serious, or a particular situation when this happens:

[ U ] the escalation of costs

[ C ] military escalation