сана́ция

noun, feminine, inanimate

Very rarely used word (top 40,000)

1.
sanitation, sanitization, rehabilitation
Example:
Санация полости рта является важной частью гигиены.
Oral cavity sanitation is an important part of hygiene.
2.
financial rehabilitation, restructuring, bailout, reorganization
Example:
Правительство объявило о санации проблемного банка.
The government announced the financial rehabilitation of the troubled bank.

Declension