eu ‧ tha ‧ nize /ˈjuːθənaɪz/ BrE AmE ( also eu‧tha‧nase /-neɪz/ British English ) verb [transitive]
to kill an animal in a painless way, usually because it is very sick or old SYN put down :
The decision to euthanase a pet is heartbreaking.
eu ‧ tha ‧ nize /ˈjuːθənaɪz/ BrE AmE ( also eu‧tha‧nase /-neɪz/ British English ) verb [transitive]
to kill an animal in a painless way, usually because it is very sick or old SYN put down :
The decision to euthanase a pet is heartbreaking.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012