CENTENARIAN
Meaning of CENTENARIAN in English
cen ‧ te ‧ nar ‧ i ‧ an /ˌsentəˈneəriən, ˌsentɪˈneəriən $ -ˈner-/ BrE AmE noun [countable]
someone who is 100 years old or older
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012