LEARNit Dictionary
perturbation
noun
/ˌpɜːtəˈbeɪʃn/
UK
/ˌpɜːrtərˈbeɪʃn/
US
1
the state of feeling anxious about something
نگرانی, اضطراب, آشفتگی, تشویش, پریشانی
synonym
alarm
2
a small change in the quality, behaviour or movement of something
اختلال, آشفتگی, تغییر کوچک
temperature perturbations